60% (2003)

62% (1995)

72% (1987)

73% (1989)

48% (1995)

73% (1992)

58% (1988)

68% (1991)

64% (1995)

61% (1995)

29% (2000)

60% (1990)

59% (1993)

60% (1999)

54% (1990)

57% (1996)

52% (1990)

0% (1995)

0% (1989)