Figure 3. Output measure for all students and for students with and without disabilities, quality adjusted, 1990–2012 (annual growth rate, in percent)
Year All students, quality adjusted Students with and students without disabilities, quality adjusted

1990

1.840 1.990

1991

1.957 2.095

1992

2.425 2.603

1993

1.692 1.929

1994

1.719 1.906

1995

2.200 2.421

1996

2.134 2.254

1997

1.329 1.536

1998

1.175 1.359

1999

1.615 1.779

2000

1.006 1.109

2001

1.862 1.952

2002

1.424 1.504

2003

1.079 1.184

2004

1.051 1.138

2005

1.059 1.069

2006

0.800 0.791

2007

0.193 0.132

2008

0.571 0.478

2009

-0.238 -0.249

2010

0.755 0.667

2011

0.707 0.651

2012

0.629 0.657

Source: U.S. Bureau of Labor Statistics.