70% (2004)

15% (2003)

10% (2004)

0% (2005)

68% (2009)

30% (2001)

68% (2014)

35% (2005)

0% (2009)

10% (2005)

20% (2009)

90% (2003)

47% (1998)

55% (2006)

68% (2006)

0% (2011)

32% (2009)

10% (2006)

20% (2010)

0% (2009)