74% (2005)

64% (1982)

61% (1982)

65% (1982)

58% (1985)

0% (1983)

35% (1985)

67% (1995)

61% (1983)

67% (1988)

50% (1987)

64% (1982)

54% (1972)

70% (1995)

42% (1996)

64% (1987)

50% (1995)

72% (1986)

56% (1992)

52% (1993)