66% (2008)

62% (2010)

58% (2006)

64% (2004)

10% (2002)

42% (2011)

37% (2007)

59% (2002)

46% (2006)

0% (2007)

46% (2009)

39% (2006)

16% (2008)

10% (2007)

10% (2009)

10% (2002)

52% (2012)

10% (2008)

0% (2007)

23% (2012)