81% (2009)

74% (2005)

67% (2010)

68% (2003)

82% (2012)

67% (2014)

64% (2013)

72% (2010)

80% (2013)

75% (2011)

76% (2013)

70% (2008)

66% (2007)

80% (2006)

57% (2009)

57% (2005)

70% (2005)

51% (2020)

49% (2009)

27% (2004)