56% (2010)

48% (1998)

58% (2011)

55% (2005)

39% (2004)

43% (2013)

63% (2001)

45% (2011)

0% (2003)

55% (2011)

50% (2009)

46% (1997)

18% (2009)

0% (1999)

34% (2008)

0% (1998)

28% (2009)

34% (2011)

35% (2001)

45% (2007)