58% (2011)

30% (1999)

55% (2010)

45% (2011)

40% (2013)

62% (2001)

49% (2009)

53% (2011)

55% (2005)

41% (1998)

45% (1997)

35% (2000)

39% (2004)

0% (2000)

0% (1998)

28% (2009)

45% (2003)

0% (2003)

33% (2008)

17% (2009)