68% (2015)

78% (2014)

40% (2009)

54% (2011)

67% (2013)

76% (2013)

73% (2014)

70% (2007)

72% (2015)

70% (2011)

60% (2011)

56% (2007)

60% (2009)

10% (2013)

67% (2005)

75% (2015)

58% (2011)

80% (2015)

72% (2011)

70% (2013)