Worth mentioning that list includes 1,103 tokens, so more than half of total cryptos. Also, if CMC was to remove all the low/unknown volume ones that would take out big portion of it. ~30% of the listed have 24h volume of less than $1k.

On the flipside, number of dead coins is also growing:
https://deadcoins.com/
https://www.ccn.com/research-over-1000-cryptocurrencies-are-dead-projects/