“2-yr mean citedness” is the OpenAlex field summary_stats.2yr_mean_citedness (CC0): mean citations per paper over a two-year window. It is a raw bibliometric field, not a journal rating, and is not used for default ranking.
Agricultural and Biological Sciences108Medicine90Nursing61Biochemistry, Genetics and Molecular Biology52Technology: Chemical technology: Biotechnology1Technology: Chemical technology: Food processing and manufacture1