48% (2007)

0% (2001)

35% (2006)

43% (2010)

45% (2011)

48% (2008)

0% (2007)

65% (2005)

0% (1997)

69% (2010)

47% (2008)

56% (2006)

20% (2010)

49% (2008)

60% (2007)

45% (2007)

0% (1998)

0% (2009)

70% (1993)

43% (2006)