46% (1995)

65% (1976)

0% (1976)

58% (1985)

67% (2007)

0% (1987)

57% (1978)

67% (1960)

73% (1988)

60% (1961)

44% (2001)

63% (1974)

50% (1979)

0% (1994)

63% (1966)

20% (1990)

0% (2002)

57% (1985)

40% (1970)

50% (1978)