77% (1990)

56% (1969)

72% (2007)

56% (2003)

60% (1968)

50% (1966)

76% (1992)

64% (1996)

74% (2016)

75% (2020)

78% (1985)

72% (1984)

71% (2007)

75% (2010)

78% (1984)

62% (1987)

0% (2013)

0% (1991)

61% (2000)

50% (2008)