How many USDTs are there in the world?

Could you possibly enlighten me on a question that has been lingering in my mind? I've been curious about the precise quantity of USDTs circulating in the global cryptosphere. As a professional in the realm of cryptocurrencies and finance, I'm sure you're well-versed in the intricacies of such matters. It's a topic that has piqued my interest due to the ever-growing popularity and significance of stablecoins in the finance industry. Could you please provide me with an estimate or a breakdown of the current supply of USDTs in existence? Your insights would be greatly appreciated.