79% (1994)

77% (1991)

73% (1991)

57% (1992)

56% (1978)

62% (1990)

57% (1991)

47% (1991)

72% (1992)

58% (1993)

67% (1992)

58% (1992)

60% (1990)

66% (1994)

58% (1990)

48% (1993)

45% (1990)

59% (1992)

0% (1991)

60% (1993)