64% (1995)

73% (1987)

64% (1984)

63% (1993)

66% (2001)

55% (2002)

59% (1996)

57% (1997)

59% (2001)

58% (2001)

72% (1983)

64% (1995)

57% (1999)

56% (1991)

65% (1986)

60% (2002)

50% (1997)

47% (1997)

66% (1984)

100% (2000)