68% (2015)

80% (2013)

66% (2011)

53% (2016)

74% (2010)

59% (2016)

71% (2015)

46% (2013)

0% (2008)

61% (2015)

56% (2014)

60% (2012)

0% (2013)

0% (2009)

100% (2002)

45% (2017)

60% (2011)

0% (2000)

0% (2004)

0% (2014)