67% (1992)

63% (1992)

73% (2001)

75% (1996)

56% (1994)

58% (2004)

73% (2002)

57% (1997)

54% (1996)

62% (1993)

55% (1998)

45% (1997)

46% (1998)

61% (1994)

64% (1997)

70% (1995)

62% (1997)

52% (1997)

43% (1996)

76% (1994)