4National Science Board. 2006. Science and Engineering Indicators 2006. Two volumes. Arlington, VA: National Science Foundation (volume 1, NSB 06 - 01; volume 2, NSB 06 - 01A). Figure O - 15 Academic R&D expenditures: 1990 - 2003: O - 9. Figure O - 16 Academic R&D as share of total R&D, by country/economy: Most recent year: O - 9. Figure 4 - 44 Academic R& D financed by industry, by selected country/OECD: 1981 -2003:4 -54. Appendix table 4 -4 U.S. inflation- adjusted R&D expenditures, by performing sector and source of funds: 1953 - 2004 (Millions of constant 2000 dollars)A4 - 5, A4 - 6.