64% (1993)

74% (2025)

66% (2013)

82% (2005)

77% (2013)

77% (2009)

68% (2005)

71% (2013)

84% (1989)

47% (1997)

78% (2011)

57% (2000)

61% (1998)

72% (2010)

82% (2006)

70% (1991)

89% (2008)

0% (2001)

30% (2007)

65% (2012)