78% (2016)

10% (2014)

70% (2004)

41% (2015)

62% (2012)

19% (2002)

10% (2005)

43% (2003)

43% (2013)

30% (2004)

43% (2001)

46% (2002)

68% (2006)

15% (2002)

47% (2001)

43% (2002)

43% (2016)

63% (2015)

50% (2011)

58% (2005)