67% (2002)

60% (1993)

64% (2003)

62% (1996)

63% (2002)

57% (2001)

47% (1994)

47% (1992)

34% (1993)

57% (1993)

0% (1994)

80% (1998)

60% (1988)

0% (1993)

56% (1991)

0% (1997)

67% (2002)

0% (1997)

0% (1993)

0% (1993)