50% (1955)

0% (2005)

50% (1979)

72% (2009)

0% (1971)

68% (2012)

73% (1996)

32% (2003)

69% (2015)

45% (1983)

50% (1985)

0% (1991)

63% (1983)

45% (2004)

100% (1961)

60% (1992)

35% (1978)

0% (1972)

50% (1981)

60% (1993)