How much is USDT sold?

Excuse me, could you please clarify for me how much USDT, or Tether, has been sold or traded in the market recently? I'm interested in understanding the current demand and liquidity for this stablecoin, as it's a crucial aspect of the cryptocurrency ecosystem. Would you be able to provide me with an up-to-date figure or direct me to a reliable source where I can find this information?