54% (2015)

56% (2016)

63% (2010)

70% (2009)

58% (2012)

59% (2015)

47% (2014)

72% (2000)

63% (2014)

55% (2007)

52% (2011)

64% (2004)

62% (2012)

58% (2009)

45% (2013)

48% (2012)

54% (2007)

64% (2012)

65% (2010)

53% (2014)