“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.
Arts and Humanities231Medicine147Agricultural and Biological Sciences123Pharmacology, Toxicology and Pharmaceutics92Biochemistry, Genetics and Molecular Biology91Dentistry75Computer Science62Law: Law in general. Comparative and uniform law. Jurisprudence1Medicine: Medicine (General)1