32% (2006)

0% (2001)

48% (2007)

43% (2010)

46% (2011)

48% (2008)

0% (2007)

61% (2010)

47% (2008)

48% (2008)

60% (2007)

60% (2011)

85% (2009)

70% (2012)

0% (1997)

0% (2011)

0% (1999)

56% (2006)

0% (2004)

0% (2003)