58% (2002)

30% (2004)

70% (2013)

22% (2015)

64% (2015)

40% (2009)

60% (2011)

0% (2010)

0% (2008)

40% (2007)

45% (2010)

43% (2014)

80% (2012)

69% (2013)

75% (2011)

70% (2011)

72% (2003)

0% (2013)

75% (2007)

60% (2005)