83% (2009)

82% (2012)

81% (2007)

67% (2008)

77% (2010)

70% (2007)

72% (2016)

78% (2015)

66% (2008)

72% (2012)

75% (2008)

64% (2008)

81% (2016)

75% (2006)

53% (2008)

63% (2005)

61% (2016)

65% (2006)

51% (2011)

66% (2007)