55% (1997)

70% (1984)

42% (1994)

50% (1997)

42% (1999)

52% (1992)

0% (1992)

0% (1956)

52% (1987)

0% (1980)

0% (1980)

62% (1950)

65% (2009)

0% (1996)

50% (1997)

0% (1983)

0% (1994)

0% (1977)

0% (1985)

70% (1980)