10% (2013)

83% (2009)

70% (2013)

80% (2007)

71% (2015)

55% (2011)

50% (2014)

58% (2015)

63% (2015)

55% (2015)

30% (2010)

67% (2015)

64% (2015)

20% (2008)

83% (2014)

77% (2015)

77% (2015)

35% (2013)

36% (2014)

54% (2011)