0% (1987)

52% (2004)

54% (2006)

40% (2015)

45% (2012)

88% (2010)

58% (2000)

59% (2012)

64% (2015)

71% (1970)

48% (1933)

39% (2001)

62% (2005)

65% (1979)

59% (2011)

75% (2007)

62% (2007)

52% (2002)

38% (2008)

0% (2023)