What is the circulating supply of drift protocol?

Can you please explain what the circulating supply of the Drift Protocol is? As an investor in the cryptocurrency space, I'm always interested in understanding the factors that can affect the value and trading volume of a particular coin or token. The circulating supply is an important metric that can give us insights into the availability of the asset and its potential for growth. I would like to know more about how the Drift Protocol's circulating supply is calculated and how it compares to other similar projects in the market. Additionally, could you provide any insights into how the circulating supply may impact the future performance of the Drift Protocol token?