78% (2011)

66% (2013)

43% (2009)

79% (2013)

42% (2009)

68% (2012)

76% (2013)

73% (2020)

47% (2012)

61% (2010)

70% (2014)

30% (2006)

63% (2011)

70% (2009)

67% (2015)

56% (2013)

55% (2011)

56% (2016)

62% (2016)

59% (2015)