66% (2009)

78% (2003)

72% (2011)

77% (2002)

72% (1998)

69% (2005)

67% (2006)

54% (2003)

71% (2000)

64% (2003)

58% (1992)

62% (2009)

58% (2005)

63% (2000)

54% (2007)

43% (2005)

71% (2000)

70% (2013)

57% (2005)

70% (2000)