85% (1999)

70% (1983)

80% (1958)

68% (1991)

65% (2008)

61% (2000)

53% (1975)

89% (1982)

60% (2006)

77% (1963)

61% (2000)

69% (2002)

61% (2004)

55% (1983)

70% (1979)

50% (1996)

61% (1959)

0% (1998)

74% (1989)

61% (2000)