46% (1979)

47% (2011)

63% (1983)

67% (1998)

47% (2006)

63% (2011)

70% (2013)

65% (2002)

75% (1970)

47% (2004)

76% (1984)

50% (1998)

72% (2007)

67% (2021)

62% (1997)

60% (1956)

65% (1997)

78% (1988)

65% (1973)

78% (2002)