60% (2011)

87% (2009)

70% (2013)

42% (2012)

40% (2012)

55% (2008)

74% (2015)

40% (2013)

79% (2007)

64% (2015)

45% (2012)

50% (2001)

76% (2015)

58% (2015)

10% (2013)

58% (2015)

60% (2002)

40% (2015)

0% (2008)

60% (2016)