As you know, the total number of bitcoins that can be mined is 16 million, but 4 million of them are lost forever, due to forgotten passwords or dead users.
There are 21 million Bitcoins that can be mined. 16 million Bitcoins have been mined until now.
And "4 million lost" is very speculative. No one knows how many Bitcoins really have been lost. It could be much more or much less. No one knows.
Please try thinking a bit before posting... I understand that you don't want to waste too much time whilst post-farming, but please...
If you post quality content instead of nonsense, your account value will rise, which means that you'll be able to sell your account for more, scam more people or participate more easily in Signature Campaigns & spam them till they're broke!
Regards,
Trump