78% (2003)

69% (2005)

54% (2009)

70% (2004)

86% (2006)

53% (2005)

58% (2000)

0% (2003)

0% (2002)

100% (2009)

60% (2005)

90% (2004)

0% (2006)

20% (1999)

70% (2010)

67% (2004)

60% (2006)

0% (1997)

0% (2005)

72% (2001)