78% (2011)

66% (2015)

62% (2012)

83% (2011)

76% (2009)

83% (1996)

83% (2002)

73% (1999)

87% (2012)

90% (2020)

0% (1992)

70% (1977)

72% (2012)

78% (2014)

63% (2007)

82% (2011)

82% (2000)

82% (2005)

80% (2014)

64% (2006)