Percentage distribution of original sources of maize seed across regions in Mexico in 2002.

*Confidence intervals (in parentheses) were estimated using profile-likelihood and binomial ln(-ln) transformations.1Friends, neighbors and relatives.2Farmers who sell seed openly to the public.3Government agencies and programs, e.g., Kilo por Kilo.4Intermediaries, private firms and banks.5Private seed companies.6Any source outside of Mexico.7Any source of grain other than Diconsa.