80% (2002)

65% (2004)

90% (2005)

68% (2006)

20% (2004)

58% (2006)

60% (2011)

70% (2015)

70% (1999)

84% (2005)

55% (2004)

64% (2001)

0% (2008)

65% (2003)

77% (2000)

67% (2011)

0% (2006)

50% (2004)

0% (2005)

0% (1970)