72% (2009)

61% (2012)

58% (2009)

0% (2007)

0% (2006)

60% (2009)

50% (2003)

58% (2009)

49% (2004)

42% (2011)

77% (2007)

0% (2009)

0% (2002)

51% (2010)

60% (2010)

0% (2005)

0% (2009)

60% (2004)

20% (2005)

0% (2011)