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{"date":"1958-01-01","country":"France","iso2c":"FR"}
{"date":"1958-01-01","country":"Germany","iso2c":"DE"}
{"date":"1958-01-01","country":"Italy","iso2c":"IT"}
{"date":"1958-01-01","country":"Luxembourg","iso2c":"LU"}
{"date":"1958-01-01","country":"Netherlands","iso2c":"NL"}
{"date":"1973-01-01","country":"Denmark","iso2c":"DK"}
{"date":"1973-01-01","country":"Ireland","iso2c":"IE"}
{"date":"1973-01-01","country":"United Kingdom","iso2c":"GB"}
{"date":"1981-01-01","country":"Greece","iso2c":"GR"}
{"date":"1986-01-01","country":"Portugal","iso2c":"PT"}
{"date":"1986-01-01","country":"Spain","iso2c":"ES"}
{"date":"1995-01-01","country":"Austria","iso2c":"AT"}
{"date":"1995-01-01","country":"Finland","iso2c":"FI"}
{"date":"1995-01-01","country":"Sweden","iso2c":"SE"}
{"date":"2004-05-01","country":"Cyprus","iso2c":"CY"}
{"date":"2004-05-01","country":"Czechia","iso2c":"CZ"}
{"date":"2004-05-01","country":"Estonia","iso2c":"EE"}
{"date":"2004-05-01","country":"Hungary","iso2c":"HU"}
{"date":"2004-05-01","country":"Latvia","iso2c":"LV"}
{"date":"2004-05-01","country":"Lithuania","iso2c":"LT"}
{"date":"2004-05-01","country":"Malta","iso2c":"MT"}
{"date":"2004-05-01","country":"Poland","iso2c":"PL"}
{"date":"2004-05-01","country":"Slovakia","iso2c":"SK"}
{"date":"2004-05-01","country":"Slovenia","iso2c":"SI"}
{"date":"2007-01-01","country":"Bulgaria","iso2c":"BG"}
{"date":"2007-01-01","country":"Romania","iso2c":"RO"}
{"date":"2013-07-01","country":"Croatia","iso2c":"HR"}