63% (2014)

67% (2007)

59% (2011)

68% (2011)

57% (2004)

69% (2014)

43% (2010)

72% (2006)

64% (2012)

55% (2009)

60% (2013)

69% (2012)

62% (2007)

68% (2013)

66% (2011)

0% (2011)

47% (2015)