NOTE: THIS DATA FILE WILL CHANGE! To improve accessibility of data for all users, we will convert this file from a text format to an html table by the end of June 2024. Title: American Telephone and Telegraph Company Index of Industrial Activity for United States Series ID: M12001USM317SNBR Source: National Bureau of Economic Research Release: NBER Macrohistory Database (Not a Press Release) Seasonal Adjustment: Seasonally Adjusted Frequency: Monthly Units: Index 1899=100 Date Range: 1899-01-01 to 1935-03-01 Last Updated: 2012-08-17 3:33 PM CDT Notes: Source: American Telephone And Telegraph Company, Confidential Report Of October 20, 1932, "Index Of Industrial Activity In The U.S., " For Data Through July, 1932; Thereafter Data Furnished By The Statistical Division Of The American Telephone And Telegraph Company. This NBER data series m12001 appears on the NBER website in Chapter 12 at http://www.nber.org/databases/macrohistory/contents/chapter12.html. NBER Indicator: m12001 DATE VALUE 1899-01-01 94.2 1899-02-01 93.9 1899-03-01 95.9 1899-04-01 96.9 1899-05-01 97.9 1899-06-01 99.2 1899-07-01 101.7 1899-08-01 102.8 1899-09-01 104.4 1899-10-01 104.9 1899-11-01 104.1 1899-12-01 104.0 1900-01-01 100.6 1900-02-01 100.5 1900-03-01 99.1 1900-04-01 98.7 1900-05-01 98.8 1900-06-01 98.2 1900-07-01 96.6 1900-08-01 94.7 1900-09-01 94.7 1900-10-01 94.6 1900-11-01 96.0 1900-12-01 100.9 1901-01-01 103.8 1901-02-01 107.0 1901-03-01 108.7 1901-04-01 111.2 1901-05-01 113.1 1901-06-01 114.2 1901-07-01 115.5 1901-08-01 114.5 1901-09-01 114.3 1901-10-01 114.6 1901-11-01 115.8 1901-12-01 113.6 1902-01-01 116.0 1902-02-01 115.8 1902-03-01 116.8 1902-04-01 118.9 1902-05-01 119.4 1902-06-01 120.0 1902-07-01 121.1 1902-08-01 122.9 1902-09-01 122.4 1902-10-01 123.3 1902-11-01 122.5 1902-12-01 123.3 1903-01-01 121.8 1903-02-01 122.3 1903-03-01 123.7 1903-04-01 124.7 1903-05-01 126.8 1903-06-01 128.5 1903-07-01 128.7 1903-08-01 127.9 1903-09-01 126.1 1903-10-01 122.1 1903-11-01 115.4 1903-12-01 110.0 1904-01-01 110.2 1904-02-01 116.8 1904-03-01 119.2 1904-04-01 121.0 1904-05-01 120.4 1904-06-01 118.5 1904-07-01 117.0 1904-08-01 120.2 1904-09-01 126.5 1904-10-01 129.0 1904-11-01 133.0 1904-12-01 135.1 1905-01-01 134.9 1905-02-01 133.9 1905-03-01 138.9 1905-04-01 141.5 1905-05-01 141.4 1905-06-01 141.8 1905-07-01 141.8 1905-08-01 143.9 1905-09-01 146.5 1905-10-01 148.1 1905-11-01 150.5 1905-12-01 153.0 1906-01-01 154.3 1906-02-01 154.2 1906-03-01 152.4 1906-04-01 151.5 1906-05-01 151.6 1906-06-01 152.5 1906-07-01 153.3 1906-08-01 150.7 1906-09-01 152.7 1906-10-01 155.4 1906-11-01 157.6 1906-12-01 161.2 1907-01-01 161.9 1907-02-01 164.8 1907-03-01 157.9 1907-04-01 167.1 1907-05-01 168.0 1907-06-01 168.7 1907-07-01 166.7 1907-08-01 164.0 1907-09-01 160.3 1907-10-01 155.8 1907-11-01 142.1 1907-12-01 124.0 1908-01-01 120.4 1908-02-01 120.6 1908-03-01 124.0 1908-04-01 123.4 1908-05-01 123.0 1908-06-01 125.2 1908-07-01 129.4 1908-08-01 133.4 1908-09-01 135.2 1908-10-01 138.6 1908-11-01 143.7 1908-12-01 147.5 1909-01-01 148.2 1909-02-01 149.5 1909-03-01 150.4 1909-04-01 152.2 1909-05-01 154.5 1909-06-01 157.1 1909-07-01 161.2 1909-08-01 163.8 1909-09-01 166.1 1909-10-01 167.3 1909-11-01 170.8 1909-12-01 169.8 1910-01-01 172.8 1910-02-01 171.4 1910-03-01 168.8 1910-04-01 167.9 1910-05-01 166.5 1910-06-01 163.6 1910-07-01 160.6 1910-08-01 159.1 1910-09-01 159.2 1910-10-01 158.0 1910-11-01 157.5 1910-12-01 158.7 1911-01-01 160.0 1911-02-01 157.2 1911-03-01 157.6 1911-04-01 159.0 1911-05-01 156.6 1911-06-01 157.0 1911-07-01 157.1 1911-08-01 158.5 1911-09-01 159.3 1911-10-01 162.1 1911-11-01 163.6 1911-12-01 167.5 1912-01-01 168.1 1912-02-01 174.0 1912-03-01 175.9 1912-04-01 175.4 1912-05-01 176.9 1912-06-01 179.4 1912-07-01 179.8 1912-08-01 181.0 1912-09-01 182.2 1912-10-01 184.7 1912-11-01 188.1 1912-12-01 190.1 1913-01-01 193.7 1913-02-01 192.2 1913-03-01 182.6 1913-04-01 186.4 1913-05-01 189.3 1913-06-01 186.6 1913-07-01 185.3 1913-08-01 185.1 1913-09-01 184.1 1913-10-01 184.5 1913-11-01 182.1 1913-12-01 175.8 1914-01-01 175.4 1914-02-01 174.4 1914-03-01 178.9 1914-04-01 177.3 1914-05-01 172.0 1914-06-01 170.3 1914-07-01 171.9 1914-08-01 167.4 1914-09-01 165.1 1914-10-01 162.1 1914-11-01 158.6 1914-12-01 158.9 1915-01-01 161.0 1915-02-01 164.9 1915-03-01 169.5 1915-04-01 169.0 1915-05-01 173.4 1915-06-01 177.6 1915-07-01 179.2 1915-08-01 183.7 1915-09-01 189.1 1915-10-01 197.5 1915-11-01 201.9 1915-12-01 208.9 1916-01-01 213.7 1916-02-01 214.4 1916-03-01 216.7 1916-04-01 216.0 1916-05-01 210.0 1916-06-01 213.1 1916-07-01 214.8 1916-08-01 218.7 1916-09-01 222.3 1916-10-01 226.7 1916-11-01 231.3 1916-12-01 232.7 1917-01-01 233.0 1917-02-01 230.5 1917-03-01 227.4 1917-04-01 235.7 1917-05-01 239.9 1917-06-01 236.8 1917-07-01 234.4 1917-08-01 225.8 1917-09-01 230.4 1917-10-01 232.4 1917-11-01 237.0 1917-12-01 224.3 1918-01-01 203.0 1918-02-01 221.8 1918-03-01 236.8 1918-04-01 241.0 1918-05-01 235.7 1918-06-01 236.3 1918-07-01 237.0 1918-08-01 232.6 1918-09-01 229.2 1918-10-01 212.7 1918-11-01 210.8 1918-12-01 214.4 1919-01-01 211.5 1919-02-01 200.8 1919-03-01 197.1 1919-04-01 199.1 1919-05-01 201.2 1919-06-01 206.9 1919-07-01 216.5 1919-08-01 220.3 1919-09-01 222.4 1919-10-01 225.7 1919-11-01 224.4 1919-12-01 239.0 1920-01-01 252.8 1920-02-01 247.6 1920-03-01 247.3 1920-04-01 232.2 1920-05-01 238.9 1920-06-01 236.3 1920-07-01 231.7 1920-08-01 229.4 1920-09-01 221.8 1920-10-01 212.3 1920-11-01 197.3 1920-12-01 185.3 1921-01-01 167.3 1921-02-01 167.2 1921-03-01 162.9 1921-04-01 163.6 1921-05-01 166.7 1921-06-01 167.2 1921-07-01 166.8 1921-08-01 169.8 1921-09-01 173.9 1921-10-01 180.3 1921-11-01 176.7 1921-12-01 174.0 1922-01-01 176.7 1922-02-01 182.9 1922-03-01 189.9 1922-04-01 187.5 1922-05-01 197.6 1922-06-01 210.0 1922-07-01 211.6 1922-08-01 213.4 1922-09-01 216.5 1922-10-01 226.1 1922-11-01 239.3 1922-12-01 250.1 1923-01-01 251.3 1923-02-01 254.9 1923-03-01 260.6 1923-04-01 269.9 1923-05-01 271.8 1923-06-01 268.6 1923-07-01 266.9 1923-08-01 258.8 1923-09-01 259.6 1923-10-01 254.6 1923-11-01 254.5 1923-12-01 254.5 1924-01-01 261.5 1924-02-01 265.4 1924-03-01 259.8 1924-04-01 249.2 1924-05-01 231.4 1924-06-01 220.2 1924-07-01 219.3 1924-08-01 229.4 1924-09-01 240.2 1924-10-01 247.3 1924-11-01 252.2 1924-12-01 260.7 1925-01-01 264.2 1925-02-01 265.3 1925-03-01 265.7 1925-04-01 268.1 1925-05-01 266.0 1925-06-01 266.4 1925-07-01 272.9 1925-08-01 268.6 1925-09-01 271.4 1925-10-01 281.3 1925-11-01 293.7 1925-12-01 296.5 1926-01-01 287.3 1926-02-01 284.6 1926-03-01 282.2 1926-04-01 280.0 1926-05-01 280.4 1926-06-01 282.9 1926-07-01 280.0 1926-08-01 285.4 1926-09-01 288.1 1926-10-01 287.1 1926-11-01 285.5 1926-12-01 280.3 1927-01-01 277.8 1927-02-01 280.6 1927-03-01 288.2 1927-04-01 279.7 1927-05-01 283.5 1927-06-01 281.7 1927-07-01 278.1 1927-08-01 274.5 1927-09-01 270.4 1927-10-01 264.5 1927-11-01 260.7 1927-12-01 258.8 1928-01-01 269.1 1928-02-01 271.4 1928-03-01 273.0 1928-04-01 272.3 1928-05-01 276.1 1928-06-01 277.7 1928-07-01 283.6 1928-08-01 287.8 1928-09-01 291.7 1928-10-01 297.1 1928-11-01 300.8 1928-12-01 305.4 1929-01-01 307.3 1929-02-01 307.3 1929-03-01 308.3 1929-04-01 311.2 1929-05-01 314.6 1929-06-01 318.8 1929-07-01 318.1 1929-08-01 318.8 1929-09-01 315.7 1929-10-01 311.9 1929-11-01 290.4 1929-12-01 276.2 1930-01-01 281.2 1930-02-01 277.1 1930-03-01 270.1 1930-04-01 272.2 1930-05-01 261.7 1930-06-01 257.7 1930-07-01 246.2 1930-08-01 238.5 1930-09-01 235.8 1930-10-01 228.2 1930-11-01 225.7 1930-12-01 221.9 1931-01-01 213.6 1931-02-01 218.2 1931-03-01 223.7 1931-04-01 228.7 1931-05-01 222.4 1931-06-01 217.4 1931-07-01 220.9 1931-08-01 210.5 1931-09-01 200.4 1931-10-01 187.1 1931-11-01 186.8 1931-12-01 186.5 1932-01-01 178.4 1932-02-01 172.8 1932-03-01 165.3 1932-04-01 149.6 1932-05-01 140.3 1932-06-01 138.0 1932-07-01 136.1 1932-08-01 143.8 1932-09-01 158.1 1932-10-01 158.9 1932-11-01 159.1 1932-12-01 159.0 1933-01-01 153.0 1933-02-01 148.9 1933-03-01 133.9 1933-04-01 150.3 1933-05-01 176.4 1933-06-01 211.3 1933-07-01 231.6 1933-08-01 217.2 1933-09-01 203.1 1933-10-01 193.8 1933-11-01 181.7 1933-12-01 183.7 1934-01-01 189.5 1934-02-01 203.2 1934-03-01 210.9 1934-04-01 214.0 1934-05-01 213.3 1934-06-01 206.2 1934-07-01 197.1 1934-08-01 189.0 1934-09-01 169.0 1934-10-01 186.9 1934-11-01 192.1 1934-12-01 216.7 1935-01-01 234.3 1935-02-01 234.6 1935-03-01 233.9