council decis june statist data determin kei subscript capit european central bank ec council european union regard treati establish european commun articl protocol statut european system central bank european central bank annex thereto regard propos commiss regard opinion european parliament regard opinion european monetari institut act accord procedur provid articl treati articl protocol european central bank ecb establish execut board appoint initi capit ecb oper establish ecu million nation central bank sole subscrib holder capit ecb kei subscript ecb capit determin ecb establish statist data establish kei provid commiss accord rule adopt council natur sourc data method calcul weight nation central bank kei defin council direct eec euratom februari harmonis compil gross nation product market price introduc procedur adopt member state data gross domest product market price member state step ensur data transmit commiss decid articl statist data determin kei subscript capit ecb provid commiss accord rule laid articl articl popul gross domest product market price hereinaft refer gdp mp defin european system integr econom account esa version applic direct eec euratom gdp mp gdp mp defin articl direct articl data popul year total popul year accord esa recommend articl data gdp mp year data gdp mp member state express nation currenc current price articl data popul collect commiss eurostat member state articl data gdp mp year result applic direct eec euratom articl share member state popul commun share sum popul member state express percentag gdp mp data year member state express nation currenc convert figur express ecu exchang rate purpos averag exchang rate work dai year daili exchang rate rate calcul commiss publish seri offici journal european commun share member state gdp mp commun share sum gdp mp member state year express percentag articl weight nation central bank kei arithmet share member state concern popul gdp mp commun articl step calcul suffici digit ensur accuraci weight nation central bank kei express decim place articl data refer decis commun commiss ecb establish luxembourg june council presid brown oj opinion deliv publish offici journal opinion deliv april publish offici journal oj