Data include national productivity accounts for output and input categories in U.S. agriculture. Time series data for public and private funding of agricultural research and development from 1960 to 1996.
Data are available as nominal figures, or corrected for inflation.
Intellectual Property Used to Protect Plant Varieties. The number of different intellectual property protection mechanisms used to protect plants from 1970 to 1996. Data include Plant Patents, Plant Variety Protection Certificates, and Utility Patents.