50% (1979)

50% (1977)

65% (1988)

50% (1976)

0% (1957)

70% (1952)

72% (1993)

60% (1990)

0% (1991)

50% (1975)

50% (1981)

0% (1987)

50% (1978)

0% (1955)

33% (1989)

68% (1992)

72% (2009)

45% (1990)

35% (1978)

90% (2019)