43% (2003)

78% (2016)

19% (2002)

70% (2004)

10% (2014)

43% (2001)

54% (2006)

58% (2005)

43% (2013)

58% (2012)

43% (2002)

50% (2011)

10% (2009)

57% (2006)

77% (2012)

20% (2003)

48% (2010)

41% (2015)

45% (2010)

63% (2015)