NBME 20, 21, 22 Score Trends

Hey guys! Because these exams are so new I don't know what to make of my scores and figure other people are in the same boat as me wondering what the scores mean/ whether they over vs under-predict etc. Specifically I somehow jumped up 20 points on NBME 21 and while I'd like to think my studying is paying off I have zero clue whether this is real or because I potentially remembered a couple repeat q's or the curve was easier etc.

I am just writing my past scores here in the hopes that you guys can share too and we can all weigh in on how we think these tests compare to each other and to the old exams and UWSA (if you took them)

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NBME 16: 228 (5 weeks ago)

NBME 17: 225 (4 weeks ago)

NBME 18:230 (3 weeks ago)

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NBME 20:228 (2 weeks ago)

NBME 21: 248 (this week)