41% (1998)

55% (2010)

55% (2005)

39% (2004)

45% (2011)

49% (2009)

62% (2001)

45% (1997)

0% (1998)

58% (2011)

40% (2013)

30% (1999)

33% (2008)

53% (2011)

0% (2000)

35% (2000)

32% (2011)

30% (2009)

0% (2003)

45% (2003)