41% (2003)

48% (1970)

50% (1990)

0% (1992)

50% (1967)

56% (1964)

70% (1967)

30% (1961)

40% (1957)

64% (1966)

68% (1991)

55% (1959)

35% (1968)

0% (1970)

50% (1953)

65% (1989)

0% (1969)

80% (1961)

0% (1965)

70% (1966)