29% (2001)

57% (1992)

25% (1990)

63% (1997)

65% (1976)

70% (1958)

0% (1990)

0% (1992)

25% (2003)

56% (1991)

67% (1997)

55% (1979)

70% (1956)

64% (1997)

50% (1979)

67% (1966)

35% (1981)

64% (1982)

0% (1966)

64% (2000)