37% (2006)

69% (2010)

0% (2000)

47% (2011)

48% (2007)

60% (2011)

49% (2008)

0% (2014)

43% (2010)

0% (2009)

48% (2008)

56% (2006)

0% (2001)

45% (2007)

70% (1993)

42% (2006)

0% (2008)

65% (2005)

47% (2008)

0% (2011)