First published by Money Metals here: https://www.moneymetals.com/news/2019/09/26/gold-vs-paper-money-001872

The U.S. Treasury printed another $243 billion worth of paper money in 2018, with the majority being issued as $100 Federal Reserve Notes. What’s interesting is that the Reserve Banks estimated the number of notes they were going to remove from circulation and destroy accounted for 75% of the U.S. Treasury 2018 print order.