69% (2013)

55% (2015)

61% (2010)

70% (2017)

67% (2014)

63% (2009)

68% (2012)

66% (2009)

74% (2015)

70% (2010)

75% (2006)

54% (2005)

54% (2009)

62% (2015)

54% (2015)

57% (2010)

54% (2010)

59% (2006)

55% (2008)

0% (2023)