65% (2015)

100% (2013)

72% (2012)

50% (2013)

50% (2014)

20% (2008)

55% (2015)

71% (2015)

73% (2007)

70% (2007)

80% (2015)

30% (2008)

68% (2010)

64% (2015)

0% (2011)

50% (2013)

30% (2010)

70% (2013)

77% (2015)

62% (2013)