18% (2003)

60% (1964)

39% (1970)

45% (1991)

10% (1962)

40% (1994)

20% (1971)

40% (1967)

42% (1971)

43% (1971)

35% (1975)

40% (1962)

50% (1965)

40% (1990)

57% (1962)

0% (1964)

0% (1969)