Dates,March_2021_Open_Textbook_Report 2025-05-20,1 2025-05-21,1 2025-05-22,2 2025-05-23,0 2025-05-24,0 2025-05-25,0 2025-05-26,0 2025-05-27,0 2025-05-28,0 2025-05-29,1