64% (1995)

64% (1984)

73% (1987)

55% (2002)

57% (1997)

65% (1986)

56% (1999)

56% (1991)

59% (1996)

64% (1983)

72% (1983)

65% (1985)

47% (1997)

58% (2001)

49% (1999)

63% (1993)

50% (1997)

100% (2000)

65% (1984)

50% (2001)