78% (2003)

69% (2005)

50% (2009)

55% (2000)

53% (2005)

67% (2004)

90% (2004)

86% (2006)

70% (1999)

72% (2001)

58% (2000)

60% (2005)

0% (2006)

20% (1999)

60% (2006)

0% (2003)

55% (2004)

80% (1995)

85% (2006)

100% (2009)