59% (2009)

65% (1978)

74% (1965)

50% (1976)

0% (1986)

62% (1970)

54% (1958)

20% (1961)

43% (1983)

0% (1965)

55% (1962)

0% (1990)

60% (1976)

0% (1989)

65% (1982)

50% (1970)

0% (1966)

0% (1964)

0% (1987)

0% (1982)