15% (2009)

50% (2004)

70% (1998)

0% (2009)

0% (2002)

20% (2003)

0% (2008)

0% (2002)

60% (1997)

0% (2013)

0% (2004)

0% (1999)

0% (2000)

20% (1999)

35% (2001)

12% (1998)

64% (2012)

0% (2005)

50% (2015)

0% (2005)