Within the last few hours, coinmarketcap have reach a new mile stone, coinmarketcap now keeps tracks of more than 2000 different crypto currencies, around 10 new coins was added just today. Coinmarketcap now have 2003 crypto currencies.
Acceding to coinmarketcap historical snapshot there where 1055 coins around this date just a year ago. And 637 coins around this date two years ago.
https://coinmarketcap.com/
This is a strong growth and it shows that many ICO projects are in operation. But I think that after this adjustment, altcoins with no potential will certainly be removed from our market. They will leave $ for our market. Do not worry too much about this because the market always has the right balance.