How many Cardano are in supply?

Could you please clarify the current supply of Cardano tokens? I understand that the total maximum supply of Cardano, or ADA, is capped at a certain amount, but I'm interested in knowing the exact number of ADA that are currently in circulation. This information is crucial for investors and traders to understand the market dynamics and potential future growth of the Cardano ecosystem. Additionally, could you provide any insights into how the supply of ADA is managed and how it may change over time?