68% (2002)

60% (1993)

64% (2003)

57% (2001)

63% (2002)

62% (1996)

67% (2002)

0% (1993)

47% (1994)

47% (1992)

60% (1988)

80% (1998)

0% (1993)

0% (1993)

26% (1993)

0% (1994)

0% (1993)

56% (1991)

34% (1993)

0% (1992)