What were the annual tuition of university Yale?

Yale's tuition varies depending on the year. There's no single answer to "what was the annual tuition of Yale University." To find the tuition for a specific year, you'll need to specify the year and then search online (e.g., using a search engine like Google with the query "Yale tuition [year]"). Yale's own website might also have historical data, though it may not be readily available for all past years.