74% (2011)

53% (2006)

49% (2008)

45% (2016)

67% (2010)

62% (2014)

60% (2013)

62% (2012)

71% (2016)

53% (2006)

47% (2014)

56% (2010)

64% (2011)

55% (2007)

44% (2012)

57% (2007)

49% (2012)

71% (2006)

51% (2010)

62% (2008)