20% (1967)

90% (2010)

50% (2019)

83% (1960)

62% (1973)

57% (1978)

70% (1966)

70% (1965)

71% (1965)

0% (1952)

0% (1971)

0% (1983)

60% (1992)

60% (1991)

0% (1980)

0% (1962)

62% (1967)

85% (1968)

60% (1957)

50% (1971)