Market dynamics for three-in-one FDCs*. * # of manufacturers refers to the number of manufacturers who sold ARVs to donor recipients in a given year, as reported to either GFATM or WHO; this is NOT the total # of manufacturers in the market. 6a. Market dynamics for lamivudine/nevirapine/stavudine 30 FDC. 6b. Market dynamics for lamivudine/nevirapine/zidovudine 30 FDC.