68% (2015)

80% (2013)

53% (2016)

66% (2011)

74% (2010)

45% (2017)

59% (2016)

56% (2014)

71% (2015)

46% (2013)

0% (2008)

60% (2012)

100% (2002)

0% (2005)

59% (2011)

37% (2011)

60% (2015)

0% (2000)

50% (2004)

0% (2014)