50% (1963)

50% (1980)

0% (1970)

65% (1952)

77% (1988)

64% (1978)

0% (1986)

0% (2005)

55% (1975)

67% (1954)

0% (1962)

0% (1979)

55% (2014)

75% (1975)

0% (1991)

50% (1989)

50% (1961)

93% (1999)

100% (2009)

60% (1961)