Current dollars and Constant dollars represent average total costs of research project grants. Constant dollars were computed using 1998 as the base.
FY 2009 and 2010 exclude awards made under the American Recovery and Reinvestment Act of 2009 (ARRA).
Defined as activity codes DP1, DP2, DP3, DP4, DP5, P01, PN1, PM1, R00, R01, R03, R15, R21, R22, R23, R29, R33, R34, R35, R36, R37, R61, R50, R55, R56, RC1, RC2, RC3, RC4, RF1, RL1, RL2, RL9, RM1, UA5, UC1, UC2, UC3, UC4, UC7, UF1, UG3, UH2, UH3, UH5, UM1, UM2, U01, U19, and U34. Research projects were first coded to NLM in fiscal year 2007. The RL5 activity was formerly classified as a Research Project Grant but was reclassified as Other Research in fiscal year 2015. The P42 activity was formerly classified as a Research Project Grant but was reclassified as Research Centers in fiscal year 2017. Not all of these activities may be in use by NIH every year. Not all of these activities may be in use by NIH every year.
Source: NIH IMPAC, Pub File.