15% (2002)

32% (2006)

10% (2004)

20% (2001)

58% (2002)

48% (2009)

32% (2002)

58% (2003)

10% (2005)

70% (2004)

30% (2004)

50% (2003)

48% (2010)

38% (2000)

43% (2016)

41% (1999)

23% (2013)

60% (2006)

60% (2010)

90% (2003)