68% (2007)

56% (2004)

59% (2018)

54% (2005)

60% (2017)

62% (2012)

63% (2016)

51% (2012)

74% (2008)

68% (2009)

64% (2015)

50% (2008)

65% (2006)

62% (2012)

37% (2004)

58% (2014)

60% (2012)

75% (2004)

57% (2012)

70% (2013)