70% (1998)

66% (2004)

65% (2004)

67% (2005)

65% (2005)

63% (2012)

64% (2000)

59% (2011)

67% (2004)

44% (2003)

55% (1997)

69% (2005)

58% (1998)

41% (2003)

70% (1997)

79% (1996)

93% (1989)

79% (2003)

71% (2005)

69% (1999)