69% (1993)

58% (1994)

63% (2000)

57% (2000)

46% (1991)

68% (2001)

38% (1992)

68% (1997)

61% (2004)

67% (2000)

53% (1993)

70% (1996)

50% (1997)

0% (2002)

55% (1993)

80% (1995)

60% (2003)

0% (1998)

0% (1996)

67% (1995)