67% (2015)

73% (2015)

47% (2012)

58% (2014)

0% (2013)

90% (2009)

54% (2015)

74% (2014)

76% (2011)

65% (2013)

58% (2008)

40% (2012)

90% (2008)

0% (2014)

67% (2012)

70% (2011)

78% (2014)

46% (2013)

15% (2011)

70% (2013)