Classification Rate increased slightly but has been fairly stable for the past few years.

 
1995-961996-971997-981998-991999-002000-012001-022002-032003-042004-052005-06
Percentage11.1%11.6%11.7%11.8%11.8%11.9%11.8%12.0%12.2%12.1%12.3%

*Revised methodology

Chart Image: Chart showing Classification Rate increase

Final: April 2007

Keynote by R. Cort, 10/3/07