59% (2015)

59% (2018)

73% (2023)

64% (2012)

68% (2011)

59% (2007)

66% (2010)

54% (2016)

62% (2007)

66% (2004)

60% (2013)

61% (2013)

57% (2009)

51% (2008)

65% (2011)

67% (2008)

57% (2014)

55% (2010)

55% (2011)

58% (2018)