Current dollars and Constant dollars represent average total costs of research project grants. Constant dollars were computed using 1998 as the base. Constant dollar figures not yet available for FY2016.
FY 2009 and 2010 exclude awards made under the American Recovery and Reinvestment Act of 2009 (ARRA).
R01-equivalent awards include R01, R23, R29, R37 and RF1 activity codes. Not all of these activities may be in use by NIH every year.
Source: NIH IMPAC, Pub File.