"35% of all US dollars in existence have been printed in 10 months."
https://www.reddit.com/r/CryptoCurrency/comments/kdpc24/35_of_all_us_dollars_in_existence_have_been/ [reddit.com]
This article is dated two months ago.
According to a more recent Youtube video thumbnail that showed up under my recommendations (I didn't watch the entire video but I watched and skipped through parts)
"40 percent of all US dollars were printed in the last 12 months"
https://www.youtube.com/watch?v=iNNUVEfoNmE&t=1354s [youtube.com]