64% (2001)

55% (2008)

70% (1999)

76% (1993)

64% (1997)

64% (1993)

65% (2000)

46% (2012)

56% (2002)

63% (2001)

74% (1993)

62% (2003)

55% (2001)

59% (2003)

68% (1995)

69% (1993)

51% (2001)

57% (1996)

52% (2000)

62% (2002)