USDT balance on Tether Treasury address keeps decreasing

According to Tokenview's large-value transfer data monitoring, TEDA has a total of 13 large-value chain transfers of more than 1 million USDT in the past 12 hours, including 7 USDT transactions transferred by Tether Treasury. Tether Treasury's USDT amount transferred in the past 12 hours reached 18.9255 million USDT, and the current account balance is 174.7 million USDT. Since April 1st, the USDT balance of the Tether Treasury account has gradually decreased.