59% (2015)

0% (1994)

50% (2005)

58% (2006)

0% (1973)

57% (1977)

59% (2004)

63% (1979)

23% (1981)

59% (1980)

62% (1984)

51% (2005)

64% (1987)

55% (2008)

68% (1996)

64% (1990)

61% (1985)

0% (1993)

48% (2014)

49% (1991)