54% (2015)

62% (2014)

62% (2010)

56% (2016)

59% (2015)

58% (2012)

65% (2010)

72% (2000)

48% (2014)

70% (2009)

54% (2007)

54% (2012)

56% (2007)

62% (2012)

48% (2012)

64% (2004)

56% (2011)

66% (2004)

44% (2013)

62% (2005)