Federal Republic of Germany (1952–1971) Sweden (1952–1971) Netherlands (1953–1976) Czechoslovakia (1955–1990) German Democratic Republic (1959–1990) Soviet Union (1960–1990) Finland (1959–1993) Japan (1952–1972)[77] Israel (1981–2014, 2016-) *Mandatory by law since 2002.[78][79][80]