53% (1992)

49% (1994)

73% (1990)

52% (1992)

52% (1991)

63% (1992)

63% (1994)

41% (1990)

62% (1990)

61% (1991)

64% (1991)

58% (1996)

64% (1993)

38% (1994)

58% (1995)

0% (1991)

74% (1990)

67% (1992)

41% (1993)

42% (1991)