72% (2019)

68% (2013)

66% (2014)

71% (2011)

77% (2010)

58% (2019)

73% (2015)

63% (2010)

57% (2006)

65% (2011)

70% (2014)

74% (2018)

60% (2007)

72% (2012)

65% (2013)

61% (2017)

55% (2001)

54% (2009)

69% (2005)

51% (2009)