The trailer you submit should be in the top 20 budgets of the year it was released. Not a definitive resource by any means, but check out these resources by Dr. Ilium:

• IMDB - Most expensive movie of each year: https://www.imdb.com/list/ls051277585/
• The Numbers - Highest movie budgets: https://www.the-numbers.com/movie/budgets/all
• Wikipedia - Most expensive films: https://en.wikipedia.org/wiki/List_of_most_expensive_films