20% (2010)

69% (2010)

48% (2007)

43% (2010)

35% (2006)

45% (2007)

56% (2006)

0% (2001)

45% (2011)

60% (2007)

0% (2008)

48% (2008)

0% (2007)

49% (2008)

43% (2006)

0% (1999)

60% (2011)

70% (2012)

0% (2014)

47% (2008)