57% (1994)

53% (2003)

63% (1993)

64% (2010)

52% (1995)

74% (1994)

60% (1998)

48% (1992)

65% (1991)

55% (1991)

65% (1997)

62% (1993)

48% (1993)

38% (1997)

50% (1995)

59% (1991)

53% (1996)

0% (1992)

54% (1994)

0% (1993)