65% (1978)

60% (1986)

48% (2000)

81% (1988)

55% (1989)

55% (1994)

71% (1990)

75% (1997)

62% (1953)

62% (1980)

66% (1964)

64% (2008)

75% (2011)

70% (1962)

68% (1985)

20% (2020)

78% (1978)

62% (1987)

76% (2013)

60% (2004)