76% (2022)

77% (2002)

80% (2005)

78% (2017)

72% (2010)

70% (1984)

57% (1977)

0% (1988)

46% (2002)

68% (2016)

77% (2006)

71% (2019)

70% (1978)

0% (1957)

47% (1961)

50% (1962)

58% (2007)

85% (2007)

59% (1994)

55% (1975)