I ask the service desk clerk for halves; I have gotten 40% and 90%; this is the first NIFC I have received.
FYI - 2021s are not NIFC. The mint released them into normal circulation this year. Probably to help with the coin shortage. I got 6-8 solid boxes of them a month or so back.
There have been several articles about this in the numismatic press. It indeed was to help with the coin shortage.
Yup. I started getting solid boxes before the article came out. Did a quick search on the mint's production website and saw that they had ramped up production significantly.