There is some other data kicking around the last two days saying adoption has increased during this year...

https://www.ccn.com/mainstream-2018-brought-54-million-new-crypto-users-despite-bear-market/

Not sure where OP got his info, not sure how true any of these stats are.

100% makes sense after the end of last year, more people became "curious" to just understand what the whole situation is about.