74% (2000)

64% (1994)

65% (2001)

74% (1993)

50% (2002)

63% (2001)

46% (1991)

40% (1996)

61% (2001)

50% (1994)

50% (2000)

0% (1999)

50% (1997)

52% (2002)

47% (1995)

73% (2004)

34% (1997)

54% (1996)

65% (2000)

64% (1998)