39% (2004)

48% (1998)

62% (2001)

55% (2010)

58% (2011)

55% (2011)

49% (2009)

42% (2013)

55% (2005)

34% (2008)

45% (2011)

0% (2003)

46% (1997)

0% (1999)

28% (2009)

34% (2011)

35% (2001)

45% (2003)

0% (1998)

18% (2009)