78% (2001)

35% (2001)

78% (2010)

76% (2016)

75% (2012)

69% (2012)

73% (2008)

52% (2002)

70% (1998)

63% (2011)

70% (2011)

45% (2004)

67% (2009)

52% (2010)

50% (2009)

22% (2011)

53% (2011)

69% (2011)

35% (2004)

0% (2006)