63% (1994)

77% (1998)

72% (2002)

68% (2006)

54% (1972)

90% (2016)

95% (1968)

75% (1987)

68% (1971)

61% (2000)

79% (2016)

72% (2006)

75% (1947)

0% (1965)

70% (2008)

50% (1962)

76% (1975)

72% (1992)

71% (2004)

76% (1990)