60% (2016)

78% (1961)

30% (1997)

37% (1947)

77% (2007)

79% (2014)

66% (1968)

64% (1978)

44% (1999)

51% (2003)

30% (1981)

62% (1979)

30% (2001)

100% (2004)

80% (1988)

61% (1953)

65% (2008)

60% (1992)

73% (2000)

75% (2018)