78% (2011)

79% (2013)

66% (2013)

74% (2013)

73% (2020)

67% (2012)

63% (2008)

70% (2009)

42% (2009)

43% (2009)

70% (2014)

61% (2010)

47% (2012)

67% (2015)

30% (2006)

56% (2013)

38% (2012)

56% (2016)

60% (2010)

62% (2016)