This series was discontinued as the Eurostat moved from the ESA 95 to ESA 10 system of accounts. This series doesn't exist in the new system. You can see a series for Euro Area (19 countries) at http://research.stlouisfed.org/fred2/series/EUNNGDP.
Copyright, 2014, European Union.
Data prior to December 31, 1998 are in Millions of ECU.
Release: National Accounts - GDP (Eurostat)
Eurostat, Gross Domestic Product for Euro Area (17 Countries) (DISCONTINUED)© [EUNGDP], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/EUNGDP, February 12, 2016.