0% (1995)

78% (1962)

50% (1982)

47% (1961)

50% (1988)

66% (1999)

82% (1974)

61% (1979)

61% (1981)

75% (1980)

71% (2010)

80% (2002)

65% (1992)

50% (1955)

60% (1981)

63% (1977)

10% (2001)

35% (1998)

35% (1991)

90% (1976)