72% (1993)

76% (1971)

82% (1963)

65% (1973)

62% (1972)

76% (1982)

60% (2013)

0% (1955)

41% (1972)

78% (1967)

70% (1978)

67% (1973)

0% (1976)

60% (1971)

40% (1999)

65% (1976)

66% (1999)

0% (2008)

78% (1975)

65% (1992)