In the beginning, there were 5 per minute. Now there are 1.25 per minute, and will be .3125 per minute, 18.75 per hour.
When will we reach peak bitcoin?
According to
this, there are currently 16.5 million bitcoins, but there will never be more than 21 million.
According to
https://en.bitcoin.it/wiki/Controlled_supply, there will never be 21 million. Also, this is an amazing amount of nonsense. tl;dr!