Table Data - Index of Production of Durable Manufactures for United States
| Title | Index of Production of Durable Manufactures for United States |
|---|---|
| Series ID | M0134BUSM350SNBR |
| Source | National Bureau of Economic Research |
| Release | NBER Macrohistory Database (Not a Press Release) |
| Seasonal Adjustment | Seasonally Adjusted |
| Frequency | Monthly |
| Units | Index 1957-1959=100 |
| Date Range | 1919-01-01 to 1968-06-01 |
| Last Updated | 2012-08-15 3:50 PM CDT |
| Notes |
| DATE | VALUE |
|---|---|
| 1919-01-01 | 25.9 |
| 1919-02-01 | 25.5 |
| 1919-03-01 | 23.9 |
| 1919-04-01 | 22.8 |
| 1919-05-01 | 21.0 |
| 1919-06-01 | 23.8 |
| 1919-07-01 | 25.8 |
| 1919-08-01 | 27.4 |
| 1919-09-01 | 24.3 |
| 1919-10-01 | 23.1 |
| 1919-11-01 | 24.4 |
| 1919-12-01 | 24.2 |
| 1920-01-01 | 28.3 |
| 1920-02-01 | 28.9 |
| 1920-03-01 | 28.3 |
| 1920-04-01 | 25.3 |
| 1920-05-01 | 26.8 |
| 1920-06-01 | 28.3 |
| 1920-07-01 | 27.7 |
| 1920-08-01 | 28.6 |
| 1920-09-01 | 28.1 |
| 1920-10-01 | 26.8 |
| 1920-11-01 | 24.0 |
| 1920-12-01 | 22.4 |
| 1921-01-01 | 18.7 |
| 1921-02-01 | 17.5 |
| 1921-03-01 | 15.3 |
| 1921-04-01 | 14.5 |
| 1921-05-01 | 14.8 |
| 1921-06-01 | 13.8 |
| 1921-07-01 | 13.1 |
| 1921-08-01 | 14.5 |
| 1921-09-01 | 14.6 |
| 1921-10-01 | 16.3 |
| 1921-11-01 | 16.5 |
| 1921-12-01 | 15.9 |
| 1922-01-01 | 16.7 |
| 1922-02-01 | 18.1 |
| 1922-03-01 | 20.0 |
| 1922-04-01 | 22.6 |
| 1922-05-01 | 23.9 |
| 1922-06-01 | 25.4 |
| 1922-07-01 | 25.8 |
| 1922-08-01 | 22.8 |
| 1922-09-01 | 23.9 |
| 1922-10-01 | 26.3 |
| 1922-11-01 | 27.1 |
| 1922-12-01 | 28.4 |
| 1923-01-01 | 28.5 |
| 1923-02-01 | 28.6 |
| 1923-03-01 | 29.8 |
| 1923-04-01 | 30.7 |
| 1923-05-01 | 31.6 |
| 1923-06-01 | 31.3 |
| 1923-07-01 | 31.1 |
| 1923-08-01 | 30.4 |
| 1923-09-01 | 30.3 |
| 1923-10-01 | 29.8 |
| 1923-11-01 | 29.8 |
| 1923-12-01 | 29.5 |
| 1924-01-01 | 29.8 |
| 1924-02-01 | 30.8 |
| 1924-03-01 | 30.2 |
| 1924-04-01 | 29.1 |
| 1924-05-01 | 26.6 |
| 1924-06-01 | 24.8 |
| 1924-07-01 | 24.1 |
| 1924-08-01 | 25.5 |
| 1924-09-01 | 26.4 |
| 1924-10-01 | 26.9 |
| 1924-11-01 | 27.5 |
| 1924-12-01 | 29.0 |
| 1925-01-01 | 30.5 |
| 1925-02-01 | 30.5 |
| 1925-03-01 | 30.6 |
| 1925-04-01 | 30.3 |
| 1925-05-01 | 30.2 |
| 1925-06-01 | 30.3 |
| 1925-07-01 | 30.7 |
| 1925-08-01 | 29.4 |
| 1925-09-01 | 30.5 |
| 1925-10-01 | 32.8 |
| 1925-11-01 | 33.9 |
| 1925-12-01 | 34.6 |
| 1926-01-01 | 33.1 |
| 1926-02-01 | 33.0 |
| 1926-03-01 | 33.0 |
| 1926-04-01 | 32.8 |
| 1926-05-01 | 32.9 |
| 1926-06-01 | 33.3 |
| 1926-07-01 | 33.3 |
| 1926-08-01 | 33.5 |
| 1926-09-01 | 33.8 |
| 1926-10-01 | 33.3 |
| 1926-11-01 | 32.8 |
| 1926-12-01 | 32.1 |
| 1927-01-01 | 31.9 |
| 1927-02-01 | 32.3 |
| 1927-03-01 | 32.6 |
| 1927-04-01 | 32.1 |
| 1927-05-01 | 32.2 |
| 1927-06-01 | 31.3 |
| 1927-07-01 | 30.8 |
| 1927-08-01 | 30.8 |
| 1927-09-01 | 30.1 |
| 1927-10-01 | 29.3 |
| 1927-11-01 | 29.1 |
| 1927-12-01 | 30.2 |
| 1928-01-01 | 31.5 |
| 1928-02-01 | 31.9 |
| 1928-03-01 | 32.0 |
| 1928-04-01 | 32.3 |
| 1928-05-01 | 32.4 |
| 1928-06-01 | 33.3 |
| 1928-07-01 | 34.0 |
| 1928-08-01 | 34.8 |
| 1928-09-01 | 35.2 |
| 1928-10-01 | 36.0 |
| 1928-11-01 | 36.7 |
| 1928-12-01 | 37.8 |
| 1929-01-01 | 38.1 |
| 1929-02-01 | 37.5 |
| 1929-03-01 | 38.4 |
| 1929-04-01 | 38.9 |
| 1929-05-01 | 39.5 |
| 1929-06-01 | 40.7 |
| 1929-07-01 | 41.1 |
| 1929-08-01 | 40.7 |
| 1929-09-01 | 39.3 |
| 1929-10-01 | 38.2 |
| 1929-11-01 | 35.4 |
| 1929-12-01 | 32.2 |
| 1930-01-01 | 33.0 |
| 1930-02-01 | 33.0 |
| 1930-03-01 | 32.6 |
| 1930-04-01 | 31.9 |
| 1930-05-01 | 31.2 |
| 1930-06-01 | 29.8 |
| 1930-07-01 | 27.6 |
| 1930-08-01 | 26.5 |
| 1930-09-01 | 25.8 |
| 1930-10-01 | 24.4 |
| 1930-11-01 | 23.1 |
| 1930-12-01 | 22.4 |
| 1931-01-01 | 22.2 |
| 1931-02-01 | 22.4 |
| 1931-03-01 | 22.8 |
| 1931-04-01 | 22.5 |
| 1931-05-01 | 21.7 |
| 1931-06-01 | 20.3 |
| 1931-07-01 | 19.3 |
| 1931-08-01 | 18.1 |
| 1931-09-01 | 16.7 |
| 1931-10-01 | 15.9 |
| 1931-11-01 | 15.8 |
| 1931-12-01 | 15.6 |
| 1932-01-01 | 14.9 |
| 1932-02-01 | 13.9 |
| 1932-03-01 | 13.1 |
| 1932-04-01 | 12.5 |
| 1932-05-01 | 12.1 |
| 1932-06-01 | 11.6 |
| 1932-07-01 | 10.5 |
| 1932-08-01 | 10.0 |
| 1932-09-01 | 10.8 |
| 1932-10-01 | 11.1 |
| 1932-11-01 | 11.4 |
| 1932-12-01 | 11.4 |
| 1933-01-01 | 11.1 |
| 1933-02-01 | 10.8 |
| 1933-03-01 | 9.5 |
| 1933-04-01 | 11.2 |
| 1933-05-01 | 14.0 |
| 1933-06-01 | 18.1 |
| 1933-07-01 | 21.7 |
| 1933-08-01 | 21.1 |
| 1933-09-01 | 19.7 |
| 1933-10-01 | 18.4 |
| 1933-11-01 | 15.8 |
| 1933-12-01 | 16.5 |
| 1934-01-01 | 17.2 |
| 1934-02-01 | 19.0 |
| 1934-03-01 | 20.5 |
| 1934-04-01 | 21.3 |
| 1934-05-01 | 22.2 |
| 1934-06-01 | 22.0 |
| 1934-07-01 | 18.1 |
| 1934-08-01 | 17.5 |
| 1934-09-01 | 16.7 |
| 1934-10-01 | 16.5 |
| 1934-11-01 | 16.6 |
| 1934-12-01 | 18.8 |
| 1935-01-01 | 22.2 |
| 1935-02-01 | 23.3 |
| 1935-03-01 | 22.9 |
| 1935-04-01 | 22.7 |
| 1935-05-01 | 22.3 |
| 1935-06-01 | 21.9 |
| 1935-07-01 | 22.8 |
| 1935-08-01 | 24.8 |
| 1935-09-01 | 25.7 |
| 1935-10-01 | 26.6 |
| 1935-11-01 | 27.5 |
| 1935-12-01 | 27.9 |
| 1936-01-01 | 27.1 |
| 1936-02-01 | 26.1 |
| 1936-03-01 | 26.8 |
| 1936-04-01 | 29.4 |
| 1936-05-01 | 31.0 |
| 1936-06-01 | 32.0 |
| 1936-07-01 | 32.7 |
| 1936-08-01 | 32.9 |
| 1936-09-01 | 33.6 |
| 1936-10-01 | 34.3 |
| 1936-11-01 | 35.2 |
| 1936-12-01 | 36.5 |
| 1937-01-01 | 36.4 |
| 1937-02-01 | 37.2 |
| 1937-03-01 | 37.6 |
| 1937-04-01 | 38.3 |
| 1937-05-01 | 38.7 |
| 1937-06-01 | 37.6 |
| 1937-07-01 | 39.1 |
| 1937-08-01 | 39.3 |
| 1937-09-01 | 37.4 |
| 1937-10-01 | 33.2 |
| 1937-11-01 | 27.8 |
| 1937-12-01 | 23.3 |
| 1938-01-01 | 21.7 |
| 1938-02-01 | 21.1 |
| 1938-03-01 | 20.8 |
| 1938-04-01 | 20.3 |
| 1938-05-01 | 19.8 |
| 1938-06-01 | 19.3 |
| 1938-07-01 | 20.6 |
| 1938-08-01 | 22.6 |
| 1938-09-01 | 24.2 |
| 1938-10-01 | 25.8 |
| 1938-11-01 | 27.8 |
| 1938-12-01 | 28.1 |
| 1939-01-01 | 28.0 |
| 1939-02-01 | 28.0 |
| 1939-03-01 | 27.8 |
| 1939-04-01 | 27.1 |
| 1939-05-01 | 27.1 |
| 1939-06-01 | 28.8 |
| 1939-07-01 | 30.0 |
| 1939-08-01 | 31.6 |
| 1939-09-01 | 34.4 |
| 1939-10-01 | 37.5 |
| 1939-11-01 | 38.8 |
| 1939-12-01 | 39.6 |
| 1940-01-01 | 38.6 |
| 1940-02-01 | 35.8 |
| 1940-03-01 | 34.3 |
| 1940-04-01 | 34.0 |
| 1940-05-01 | 36.3 |
| 1940-06-01 | 39.0 |
| 1940-07-01 | 39.5 |
| 1940-08-01 | 42.0 |
| 1940-09-01 | 43.9 |
| 1940-10-01 | 45.3 |
| 1940-11-01 | 46.2 |
| 1940-12-01 | 48.2 |
| 1941-01-01 | 50.0 |
| 1941-02-01 | 51.7 |
| 1941-03-01 | 53.4 |
| 1941-04-01 | 53.9 |
| 1941-05-01 | 57.2 |
| 1941-06-01 | 58.9 |
| 1941-07-01 | 60.2 |
| 1941-08-01 | 60.6 |
| 1941-09-01 | 61.4 |
| 1941-10-01 | 63.2 |
| 1941-11-01 | 63.5 |
| 1941-12-01 | 65.2 |
| 1942-01-01 | 67.9 |
| 1942-02-01 | 69.9 |
| 1942-03-01 | 72.4 |
| 1942-04-01 | 74.2 |
| 1942-05-01 | 76.3 |
| 1942-06-01 | 78.5 |
| 1942-07-01 | 80.4 |
| 1942-08-01 | 83.7 |
| 1942-09-01 | 86.2 |
| 1942-10-01 | 89.9 |
| 1942-11-01 | 92.2 |
| 1942-12-01 | 94.7 |
| 1943-01-01 | 97.2 |
| 1943-02-01 | 99.4 |
| 1943-03-01 | 101.4 |
| 1943-04-01 | 102.9 |
| 1943-05-01 | 103.7 |
| 1943-06-01 | 103.3 |
| 1943-07-01 | 103.9 |
| 1943-08-01 | 105.2 |
| 1943-09-01 | 106.2 |
| 1943-10-01 | 107.8 |
| 1943-11-01 | 108.4 |
| 1943-12-01 | 105.4 |
| 1944-01-01 | 106.3 |
| 1944-02-01 | 105.9 |
| 1944-03-01 | 104.9 |
| 1944-04-01 | 104.0 |
| 1944-05-01 | 102.4 |
| 1944-06-01 | 101.7 |
| 1944-07-01 | 99.9 |
| 1944-08-01 | 100.0 |
| 1944-09-01 | 98.4 |
| 1944-10-01 | 99.1 |
| 1944-11-01 | 98.1 |
| 1944-12-01 | 98.9 |
| 1945-01-01 | 99.3 |
| 1945-02-01 | 99.6 |
| 1945-03-01 | 99.2 |
| 1945-04-01 | 96.5 |
| 1945-05-01 | 92.8 |
| 1945-06-01 | 88.4 |
| 1945-07-01 | 83.8 |
| 1945-08-01 | 68.7 |
| 1945-09-01 | 55.8 |
| 1945-10-01 | 53.5 |
| 1945-11-01 | 55.0 |
| 1945-12-01 | 53.1 |
| 1946-01-01 | 47.5 |
| 1946-02-01 | 39.6 |
| 1946-03-01 | 52.4 |
| 1946-04-01 | 54.6 |
| 1946-05-01 | 50.1 |
| 1946-06-01 | 55.3 |
| 1946-07-01 | 57.9 |
| 1946-08-01 | 59.7 |
| 1946-09-01 | 60.7 |
| 1946-10-01 | 61.3 |
| 1946-11-01 | 61.4 |
| 1946-12-01 | 60.3 |
| 1947-01-01 | 62.4 |
| 1947-02-01 | 63.2 |
| 1947-03-01 | 64.1 |
| 1947-04-01 | 64.6 |
| 1947-05-01 | 64.7 |
| 1947-06-01 | 64.8 |
| 1947-07-01 | 63.4 |
| 1947-08-01 | 63.4 |
| 1947-09-01 | 64.3 |
| 1947-10-01 | 64.5 |
| 1947-11-01 | 65.7 |
| 1947-12-01 | 65.9 |
| 1948-01-01 | 66.4 |
| 1948-02-01 | 66.2 |
| 1948-03-01 | 66.4 |
| 1948-04-01 | 65.4 |
| 1948-05-01 | 66.4 |
| 1948-06-01 | 67.3 |
| 1948-07-01 | 68.4 |
| 1948-08-01 | 68.1 |
| 1948-09-01 | 67.3 |
| 1948-10-01 | 68.4 |
| 1948-11-01 | 67.2 |
| 1948-12-01 | 66.1 |
| 1949-01-01 | 65.0 |
| 1949-02-01 | 63.9 |
| 1949-03-01 | 62.8 |
| 1949-04-01 | 61.5 |
| 1949-05-01 | 60.1 |
| 1949-06-01 | 60.1 |
| 1949-07-01 | 60.2 |
| 1949-08-01 | 60.5 |
| 1949-09-01 | 61.9 |
| 1949-10-01 | 56.2 |
| 1949-11-01 | 56.9 |
| 1949-12-01 | 60.1 |
| 1950-01-01 | 62.3 |
| 1950-02-01 | 63.1 |
| 1950-03-01 | 64.5 |
| 1950-04-01 | 68.6 |
| 1950-05-01 | 71.7 |
| 1950-06-01 | 75.3 |
| 1950-07-01 | 78.0 |
| 1950-08-01 | 81.3 |
| 1950-09-01 | 80.5 |
| 1950-10-01 | 81.3 |
| 1950-11-01 | 81.4 |
| 1950-12-01 | 82.3 |
| 1951-01-01 | 82.7 |
| 1951-02-01 | 83.5 |
| 1951-03-01 | 84.7 |
| 1951-04-01 | 85.1 |
| 1951-05-01 | 84.4 |
| 1951-06-01 | 84.0 |
| 1951-07-01 | 82.2 |
| 1951-08-01 | 81.7 |
| 1951-09-01 | 82.6 |
| 1951-10-01 | 82.5 |
| 1951-11-01 | 83.7 |
| 1951-12-01 | 84.6 |
| 1952-01-01 | 85.3 |
| 1952-02-01 | 85.9 |
| 1952-03-01 | 86.5 |
| 1952-04-01 | 85.3 |
| 1952-05-01 | 86.1 |
| 1952-06-01 | 82.1 |
| 1952-07-01 | 78.1 |
| 1952-08-01 | 88.2 |
| 1952-09-01 | 92.8 |
| 1952-10-01 | 94.7 |
| 1952-11-01 | 97.4 |
| 1952-12-01 | 98.5 |
| 1953-01-01 | 100.3 |
| 1953-02-01 | 100.8 |
| 1953-03-01 | 102.0 |
| 1953-04-01 | 102.6 |
| 1953-05-01 | 102.9 |
| 1953-06-01 | 102.1 |
| 1953-07-01 | 103.6 |
| 1953-08-01 | 102.5 |
| 1953-09-01 | 99.3 |
| 1953-10-01 | 97.4 |
| 1953-11-01 | 93.9 |
| 1953-12-01 | 91.1 |
| 1954-01-01 | 89.4 |
| 1954-02-01 | 88.8 |
| 1954-03-01 | 87.3 |
| 1954-04-01 | 87.1 |
| 1954-05-01 | 87.7 |
| 1954-06-01 | 88.1 |
| 1954-07-01 | 87.3 |
| 1954-08-01 | 87.3 |
| 1954-09-01 | 87.8 |
| 1954-10-01 | 88.2 |
| 1954-11-01 | 89.8 |
| 1954-12-01 | 91.7 |
| 1955-01-01 | 94.3 |
| 1955-02-01 | 95.9 |
| 1955-03-01 | 98.2 |
| 1955-04-01 | 100.1 |
| 1955-05-01 | 101.8 |
| 1955-06-01 | 102.3 |
| 1955-07-01 | 103.7 |
| 1955-08-01 | 104.4 |
| 1955-09-01 | 105.4 |
| 1955-10-01 | 106.3 |
| 1955-11-01 | 105.4 |
| 1955-12-01 | 105.3 |
| 1956-01-01 | 104.8 |
| 1956-02-01 | 103.4 |
| 1956-03-01 | 102.9 |
| 1956-04-01 | 104.8 |
| 1956-05-01 | 103.8 |
| 1956-06-01 | 102.9 |
| 1956-07-01 | 94.5 |
| 1956-08-01 | 102.8 |
| 1956-09-01 | 105.9 |
| 1956-10-01 | 106.5 |
| 1956-11-01 | 106.5 |
| 1956-12-01 | 107.6 |
| 1957-01-01 | 107.1 |
| 1957-02-01 | 107.8 |
| 1957-03-01 | 107.3 |
| 1957-04-01 | 105.8 |
| 1957-05-01 | 105.7 |
| 1957-06-01 | 106.5 |
| 1957-07-01 | 106.2 |
| 1957-08-01 | 106.3 |
| 1957-09-01 | 103.8 |
| 1957-10-01 | 100.6 |
| 1957-11-01 | 97.7 |
| 1957-12-01 | 93.9 |
| 1958-01-01 | 90.3 |
| 1958-02-01 | 86.3 |
| 1958-03-01 | 84.5 |
| 1958-04-01 | 82.4 |
| 1958-05-01 | 84.9 |
| 1958-06-01 | 88.2 |
| 1958-07-01 | 90.0 |
| 1958-08-01 | 92.4 |
| 1958-09-01 | 92.6 |
| 1958-10-01 | 93.2 |
| 1958-11-01 | 98.4 |
| 1958-12-01 | 99.4 |
| 1959-01-01 | 100.3 |
| 1959-02-01 | 102.6 |
| 1959-03-01 | 105.8 |
| 1959-04-01 | 109.2 |
| 1959-05-01 | 112.9 |
| 1959-06-01 | 114.1 |
| 1959-07-01 | 108.7 |
| 1959-08-01 | 101.7 |
| 1959-09-01 | 101.0 |
| 1959-10-01 | 99.5 |
| 1959-11-01 | 100.0 |
| 1959-12-01 | 111.1 |
| 1960-01-01 | 115.2 |
| 1960-02-01 | 114.3 |
| 1960-03-01 | 112.6 |
| 1960-04-01 | 110.7 |
| 1960-05-01 | 110.4 |
| 1960-06-01 | 109.3 |
| 1960-07-01 | 108.3 |
| 1960-08-01 | 107.9 |
| 1960-09-01 | 106.3 |
| 1960-10-01 | 105.0 |
| 1960-11-01 | 102.2 |
| 1960-12-01 | 99.5 |
| 1961-01-01 | 99.1 |
| 1961-02-01 | 98.8 |
| 1961-03-01 | 99.3 |
| 1961-04-01 | 102.9 |
| 1961-05-01 | 106.3 |
| 1961-06-01 | 108.6 |
| 1961-07-01 | 109.9 |
| 1961-08-01 | 111.6 |
| 1961-09-01 | 109.1 |
| 1961-10-01 | 111.3 |
| 1961-11-01 | 113.4 |
| 1961-12-01 | 114.8 |
| 1962-01-01 | 114.0 |
| 1962-02-01 | 116.0 |
| 1962-03-01 | 117.3 |
| 1962-04-01 | 118.3 |
| 1962-05-01 | 117.9 |
| 1962-06-01 | 117.2 |
| 1962-07-01 | 118.3 |
| 1962-08-01 | 118.7 |
| 1962-09-01 | 119.3 |
| 1962-10-01 | 118.7 |
| 1962-11-01 | 119.2 |
| 1962-12-01 | 119.2 |
| 1963-01-01 | 119.6 |
| 1963-02-01 | 120.4 |
| 1963-03-01 | 121.9 |
| 1963-04-01 | 123.1 |
| 1963-05-01 | 125.2 |
| 1963-06-01 | 127.1 |
| 1963-07-01 | 126.1 |
| 1963-08-01 | 125.0 |
| 1963-09-01 | 125.6 |
| 1963-10-01 | 126.0 |
| 1963-11-01 | 126.4 |
| 1963-12-01 | 127.3 |
| 1964-01-01 | 128.4 |
| 1964-02-01 | 129.6 |
| 1964-03-01 | 130.4 |
| 1964-04-01 | 132.0 |
| 1964-05-01 | 133.5 |
| 1964-06-01 | 133.9 |
| 1964-07-01 | 135.3 |
| 1964-08-01 | 136.5 |
| 1964-09-01 | 135.3 |
| 1964-10-01 | 130.0 |
| 1964-11-01 | 137.0 |
| 1964-12-01 | 140.5 |
| 1965-01-01 | 142.1 |
| 1965-02-01 | 143.5 |
| 1965-03-01 | 145.1 |
| 1965-04-01 | 145.6 |
| 1965-05-01 | 147.0 |
| 1965-06-01 | 148.4 |
| 1965-07-01 | 150.4 |
| 1965-08-01 | 150.5 |
| 1965-09-01 | 149.2 |
| 1965-10-01 | 150.8 |
| 1965-11-01 | 151.8 |
| 1965-12-01 | 155.2 |
| 1966-01-01 | 157.8 |
| 1966-02-01 | 160.2 |
| 1966-03-01 | 161.6 |
| 1966-04-01 | 162.5 |
| 1966-05-01 | 164.0 |
| 1966-06-01 | 164.9 |
| 1966-07-01 | 165.8 |
| 1966-08-01 | 166.4 |
| 1966-09-01 | 167.2 |
| 1966-10-01 | 168.9 |
| 1966-11-01 | 167.7 |
| 1966-12-01 | 167.7 |
| 1967-01-01 | 165.5 |
| 1967-02-01 | 162.9 |
| 1967-03-01 | 162.6 |
| 1967-04-01 | 162.5 |
| 1967-05-01 | 162.2 |
| 1967-06-01 | 161.5 |
| 1967-07-01 | 162.5 |
| 1967-08-01 | 163.6 |
| 1967-09-01 | 161.1 |
| 1967-10-01 | 160.7 |
| 1967-11-01 | 164.1 |
| 1967-12-01 | 168.1 |
| 1968-01-01 | 167.2 |
| 1968-02-01 | 167.6 |
| 1968-03-01 | 168.2 |
| 1968-04-01 | 167.2 |
| 1968-05-01 | 169.6 |
| 1968-06-01 | 170.1 |