46% (2005)

59% (1980)

57% (1968)

70% (1968)

53% (1999)

80% (1981)

0% (1979)

64% (1975)

20% (1976)

43% (1977)

70% (1972)

0% (1980)

0% (1968)

60% (1967)

30% (1976)

53% (1977)

60% (1971)

0% (1969)

0% (1968)

0% (1982)