67% (2005)

54% (1992)

47% (2015)

38% (2008)

20% (2000)

70% (1994)

88% (1996)

60% (1998)

64% (1991)

80% (2012)

63% (2001)

77% (2012)

78% (2013)

97% (2013)

48% (1996)

65% (2003)

54% (1989)

70% (2013)

75% (2010)

76% (2018)