70% (1994)

48% (1970)

60% (1964)

70% (1967)

40% (2003)

55% (1959)

65% (1989)

50% (1953)

56% (1964)

68% (1991)

80% (1961)

30% (1961)

50% (1990)

0% (1969)

50% (1967)

35% (1968)

0% (1969)

30% (1968)

0% (1970)

62% (1930)