75% (2011)

53% (2006)

49% (2008)

62% (2014)

49% (2012)

67% (2010)

47% (2014)

62% (2012)

44% (2012)

60% (2013)

52% (2014)

64% (2011)

59% (2007)

53% (2010)

53% (2009)

56% (2010)

56% (2007)

56% (2011)

43% (2016)

71% (2016)