77% (1979)

79% (1961)

78% (1981)

76% (1999)

77% (1981)

80% (1985)

77% (1983)

60% (2015)

77% (2005)

67% (1988)

67% (2008)

71% (1963)

53% (1991)

70% (1964)

60% (1982)

75% (1982)

81% (1962)

85% (1989)

0% (2013)

80% (1997)