56% (1962)

60% (2014)

65% (2006)

0% (2007)

40% (1992)

43% (2002)

38% (1995)

0% (1984)

46% (1991)

0% (2014)

47% (1992)

71% (1997)

0% (1996)

41% (1994)

60% (1974)

57% (1975)

72% (1987)

40% (1977)

64% (1998)

58% (1989)