Release: National Accounts - GDP (Eurostat)
Eurostat unit ID: CP_MEUR
Eurostat item ID = B1GQ
Eurostat country ID: IT
Euro/ECU series is expressed in euro from January 1, 1999 till present. Prior to December 31, 1998, synthetic exchange rate of the national currency to European Community Unit (ECU) is used to adjust for market exchange rate movements.
Eurostat, Gross Domestic Product (Euro/ECU series) for Italy [CPMEURNSAB1GQIT], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CPMEURNSAB1GQIT, January 21, 2019.