35% (1974)

75% (1991)

72% (1973)

70% (1973)

83% (2022)

60% (1998)

50% (1969)

72% (2003)

64% (1996)

50% (1967)

76% (1978)

50% (1988)

58% (1961)

75% (1998)

76% (1966)

70% (1976)

61% (2013)

77% (1992)

80% (2006)

56% (1990)