The reference period is the calendar year. The data transmitted to Eurostat cover the period from 2000 to the provisional account for GDP, total value added, and total employment for NUTS 2 regions. For NACE, NUTS 3, and other variable breakdowns, the reference period is from 2000 to the semi-final account. The GDP and value added data disseminated on insee.fr cover the period from 2000 to the provisional account, while the household account covers the period from 2000 to the semi-final account.