European Union (EU)

  1. (from 1957 )Belgium
  2. (from 1957 )France
  3. (from 1957 )Germany
  4. (from 1957 )Italy
  5. (from 1957 )Luxembourg
  6. (from 1957 )Netherlands
  7. (from 1973 )Denmark
  8. (from 1973 )Ireland
  9. (from 1973 )United Kingdom
  10. (from 1981 )Greece
  11. (from 1986 )Portugal
  12. (from 1986 )Spain
  13. (from 1995 )Austria
  14. (from 1995 )Finland
  15. (from 1995 )Sweden
  16. (from 2004 )Cyprus
  17. (from 2004 )Czech Republic
  18. (from 2004 )Estonia
  19. (from 2004 )Hungary
  20. (from 2004 )Latvia
  21. (from 2004 )Lithuania
  22. (from 2004 )Malta
  23. (from 2004 )Poland
  24. (from 2004 )Slovakia
  25. (from 2004 )Slovenia
  26. (from 2007 )Bulgaria
  27. (from 2007 )Romania