48% (2007)

35% (2006)

45% (2011)

0% (2001)

43% (2010)

69% (2010)

0% (1997)

20% (2010)

45% (2007)

56% (2006)

47% (2008)

60% (2007)

49% (2008)

0% (2008)

50% (2004)

48% (2008)

0% (2014)

65% (2005)

70% (1993)

60% (2011)