76% (1999)

71% (1985)

81% (1985)

74% (1973)

75% (1996)

67% (2005)

0% (1990)

42% (2005)

58% (2000)

63% (2005)

35% (1989)

55% (2005)

70% (1995)

0% (1993)

0% (1995)

0% (2004)

50% (1981)

66% (2001)

63% (1985)

70% (1976)