“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 Sciences20Business, Management and Accounting10Economics, Econometrics and Finance6Technology: Manufactures: Production management. Operations management1Technology: Technology (General)1