65% (1965)

78% (2019)

60% (1993)

61% (2020)

30% (1970)

55% (2020)

59% (2016)

54% (2007)

64% (1972)

55% (1990)

63% (1986)

45% (1996)

70% (1973)

50% (1973)

70% (1986)

72% (1973)

60% (1961)

50% (1971)

50% (1975)

50% (1971)