82% (1979)

100% (2005)

0% (2005)

30% (1980)

50% (1988)

50% (1987)

47% (1999)

43% (1987)

67% (2003)

100% (1974)

100% (2009)

0% (2000)

0% (1991)

0% (2008)

55% (1983)

65% (1979)

50% (1989)

59% (2000)

0% (1955)

76% (1991)