75% (2013)

70% (1970)

76% (2011)

78% (2004)

63% (2010)

82% (2002)

67% (2016)

82% (1994)

70% (2014)

90% (1970)

67% (1996)

73% (2008)

75% (2010)

71% (1987)

30% (1994)

65% (1981)

100% (2013)

74% (1977)

73% (2015)

87% (2015)