60% (2009)

0% (1987)

52% (1971)

63% (2013)

84% (1968)

72% (2006)

60% (2005)

65% (1978)

81% (1977)

55% (2011)

50% (1985)

43% (1983)

0% (1965)

57% (1973)

60% (1983)

48% (1991)

60% (1963)

51% (1982)

0% (1962)

50% (1975)