Wonder how many people can hold BTC for more than 3 years and enjoy the amazing profit in this period
The number will be least because weak hands were just converting their money due to some needs and/or panic situations.
Only those who had a large number of BTC available in their accounts would have stood up and waited till date (may still be waiting for 10k or even a million) because even if they move some BTC, it wouldn't cost them too much as they have something already left for today. You won't see many addresses with such amounts that had not been moved for years, because there were many forks based on which they could have changed their wallets and addresses to safeguard their coins.