55% (2014)

71% (2008)

56% (2008)

58% (2007)

71% (2013)

76% (2008)

56% (1980)

78% (2008)

46% (2012)

49% (2014)

64% (2002)

50% (2012)

65% (2001)

33% (2010)

53% (2004)

53% (1997)

50% (1926)

0% (2000)

57% (2011)

89% (1995)