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 https://fred.stlouisfed.org/series/EUNNGDP. Copyright, 2016, European Union. Data prior to December 31, 1998 are in Millions of ECU.