OECD Member countries:

Austria 1960                 Belgium 1960

Canada 1960                Denmark 1960

France 1960                  Germany 1960

Greece 1960                  Iceland 1960

Ireland 1960                  Italy 1960

Luxemburg 1960          Nederlands 1960

Norway 1960                 Portugal 1960

Spain 1960                     Sweeden 1960

Switzerland 1960          Turkey 1960

United Kingdom 1960  United States 1960

Japan 1964                      Finland 1969

Australia 1971                 New Zealand 1973

Mexico 1994                    Czech Republic 1995

Hungary 1996                  Poland 1996

Korea 1996                      Slovak Republic 2000