67% (2001)

54% (1994)

63% (1992)

73% (2001)

75% (1996)

76% (2004)

73% (1998)

54% (1996)

61% (1993)

67% (1992)

73% (2002)

60% (1994)

70% (1995)

64% (1997)

57% (1997)

45% (1997)

52% (1997)

61% (1993)

55% (1998)

42% (1998)