45% (2005)

59% (1980)

70% (1968)

65% (1967)

54% (1999)

0% (1969)

0% (1968)

80% (1981)

32% (1976)

53% (1977)

43% (1973)

58% (1969)

0% (1968)

53% (1967)

25% (1976)

57% (1968)

0% (1979)

0% (1967)

70% (1978)

40% (1970)