74% (2006)

70% (2010)

65% (2011)

64% (2010)

74% (2005)

67% (2007)

68% (2010)

73% (2000)

62% (2019)

76% (1999)

75% (2009)

73% (2006)

58% (2008)

61% (2000)

73% (2008)

78% (1999)

66% (2005)

64% (1998)

57% (2015)

75% (2013)