“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 Sciences674Economics, Econometrics and Finance402Engineering389Biochemistry, Genetics and Molecular Biology382Science: Microbiology1Science: Physiology1Science: Zoology1