30% (2000)

55% (2004)

20% (2009)

30% (2001)

55% (2008)

20% (2013)

0% (2007)

60% (2010)

0% (2002)

32% (2002)

47% (2001)

90% (2003)

20% (2009)

53% (2002)

0% (2011)

40% (2001)

10% (2005)

30% (2006)

70% (2013)

25% (2001)