79% (2001)

73% (2001)

72% (1992)

75% (1997)

77% (1999)

72% (1996)

65% (2000)

67% (2002)

69% (2011)

72% (2004)

57% (1997)

54% (1994)

58% (1996)

58% (2000)

71% (1994)

58% (2003)

66% (2013)

68% (2000)

66% (2002)

61% (2000)