0% (2005)

52% (2000)

48% (2010)

0% (1987)

69% (1987)

57% (2001)

0% (1984)

0% (1954)

0% (1958)

58% (1993)

40% (1979)

55% (2010)

75% (1994)

47% (2005)

60% (1990)

0% (2001)

45% (1994)

0% (1970)

60% (1988)

68% (2005)