69% (1993)

62% (2000)

46% (1991)

68% (1997)

58% (1994)

61% (2004)

0% (2002)

57% (2000)

0% (1997)

60% (2003)

55% (2002)

68% (2001)

53% (1993)

0% (2002)

38% (1992)

0% (1992)

70% (1996)

0% (1998)

55% (1993)

50% (1997)