Ouch. This question is waiting for a long time for an answer.
We do not disclose this information, because we dont see the reason and/or benefit of sharing this with anyone. Plus we would also have to ask all the people if they agree
The practical reason is that we do not provide a single service and therefore its very hard to estimate how many active users disroot has.
Besides we don't need to shine numbers to private investors to get that cream, so we dont