44% (2006)

64% (2010)

63% (2015)

63% (2018)

58% (2020)

60% (2014)

63% (2005)

69% (2013)

63% (2011)

51% (2006)

68% (2010)

65% (2018)

67% (2012)

52% (2016)

70% (2012)

48% (2011)

72% (2013)

69% (2016)

71% (2012)

67% (2011)