60% (2011)

75% (2005)

81% (2001)

75% (2006)

75% (1983)

73% (1995)

74% (2015)

76% (2001)

60% (1989)

83% (1999)

75% (1976)

75% (1959)

69% (1981)

83% (2016)

80% (2009)

69% (1967)

78% (2007)

77% (2018)

78% (1994)

71% (1984)