68% (2015)

66% (2011)

55% (2016)

74% (2010)

80% (2013)

71% (2015)

65% (2012)

45% (2017)

56% (2014)

46% (2013)

59% (2016)

60% (2011)

0% (2005)

0% (2013)

100% (2002)

0% (2002)

61% (2015)

37% (2011)

0% (2014)

0% (2000)