0% (1997)

45% (1990)

47% (1967)

55% (1980)

0% (1960)

50% (1985)

32% (2003)

65% (1986)

59% (2010)

55% (1977)

63% (1977)

65% (1985)

10% (1999)

0% (1955)

65% (1992)

65% (1986)

0% (1997)

0% (2001)

0% (1978)

63% (1980)