74% (2011)

57% (2008)

44% (2012)

62% (2008)

71% (2016)

56% (2007)

56% (2010)

52% (2014)

68% (2013)

47% (2014)

63% (2012)

49% (2008)

49% (2012)

68% (2010)

64% (2011)

55% (2007)

43% (2016)

53% (2006)

80% (2012)

48% (2006)