76% (2009)

64% (1997)

70% (2013)

68% (2009)

63% (1973)

68% (2013)

60% (2003)

70% (2016)

78% (1996)

67% (2013)

58% (2004)

65% (2015)

62% (2009)

82% (1998)

68% (2001)

74% (2005)

58% (2015)

78% (1992)

100% (2010)

47% (2022)