61% (2010)

69% (2013)

55% (2015)

69% (2017)

68% (2012)

67% (2014)

73% (2015)

73% (2002)

75% (2006)

55% (2015)

62% (2015)

71% (2010)

67% (2009)

63% (2009)

57% (2010)

55% (2005)

54% (2010)

55% (2009)

59% (2006)

55% (2008)