83% (2009)

82% (2012)

67% (2008)

71% (2014)

78% (2015)

75% (2008)

71% (2016)

72% (2012)

63% (2005)

81% (2016)

63% (2008)

53% (2008)

78% (2010)

75% (2006)

65% (2010)

80% (2007)

67% (2008)

64% (2006)

67% (2007)

72% (2014)