76% (2011)

50% (2013)

40% (2014)

68% (2015)

68% (2010)

40% (2009)

90% (2009)

64% (2015)

67% (2005)

78% (2014)

100% (2013)

72% (2013)

70% (2013)

68% (2012)

67% (2013)

60% (2009)

10% (2013)

70% (2011)

58% (2011)

76% (2013)