46% (2005)

53% (1999)

60% (1967)

59% (1980)

64% (1975)

25% (1976)

57% (1968)

53% (1967)

30% (1976)

20% (1976)

43% (1977)

70% (1978)

80% (1981)

58% (1969)

0% (1968)

0% (1982)

53% (1977)

0% (1975)

0% (1969)

0% (1979)