79% (2001)

71% (1992)

73% (2001)

78% (1999)

65% (2000)

65% (2007)

75% (1997)

72% (1996)

71% (2002)

67% (2000)

73% (2013)

69% (2011)

55% (2001)

66% (2002)

72% (2004)

72% (1992)

64% (2003)

73% (2004)

63% (2004)

57% (1996)