35% (2003)

32% (2002)

47% (2001)

60% (2010)

0% (2004)

40% (2001)

20% (2010)

70% (2013)

0% (2009)

55% (2001)

55% (2000)

30% (2004)

0% (2007)

10% (2006)

10% (2007)

64% (2011)

48% (2009)

52% (2008)

38% (2000)

55% (2008)