40% (1998)

58% (2011)

55% (2005)

32% (2011)

33% (2008)

55% (2010)

45% (2003)

40% (2013)

45% (2011)

45% (1997)

30% (1999)

62% (2001)

17% (2009)

30% (2009)

0% (2003)

0% (2000)

50% (2009)

45% (2007)

35% (2000)

53% (2011)