71% (2006)

63% (2018)

74% (2015)

59% (2011)

69% (2009)

69% (2017)

70% (2018)

69% (2012)

65% (2017)

59% (2012)

77% (2017)

80% (2009)

57% (2018)

73% (2020)

60% (2014)

70% (2021)

68% (2010)

65% (2010)

63% (2017)

51% (2016)