74% (1994)

54% (1991)

48% (1959)

50% (1965)

45% (2001)

57% (1977)

70% (1980)

58% (1986)

50% (1981)

0% (1967)

55% (1977)

0% (1975)

0% (1968)

51% (1955)

54% (1971)

50% (1952)

65% (1967)

0% (1984)

50% (1961)

57% (1967)