Table 4-10
Federal research and experimentation tax credit claims and corporate tax returns claiming credit: 1990–2003
 
 
  Tax credit claims ($millions)    
Year Current      Constant      Tax returns 
 
1990 1,547   1,896   8,699
1991 1,585   1,877   9,001
1992 1,515   1,754   7,750
1993 1,857   2,101   9,933
1994 2,423   2,684   9,150
1995 1,422   1,544   7,877
1996 2,134   2,274   9,709
1997 4,398   4,609   10,668
1998 5,208   5,399   9,849
1999 5,281   5,396   10,019
2000 7,079   7,079   10,495
2001 6,356   6,207   10,389
2002 5,656   5,428   10,254
2003 5,488   5,158   10,369
 

NOTES: Data exclude Internal Revenue Service (IRS) forms 1120S (S corporations), 1120-REIT (Real Estate Investment Trusts), and 1120-RIC (Regulated Investment Companies). Constant dollars based on calendar year 2000 gross domestic product price deflator.

SOURCE: IRS, Statistics of Income program, special tabulations. See appendix table 4-33.

Science and Engineering Indicators 2008