This is the 2020 norms document, which gives means and SDs for each grade level (they don't re-norm every year):
https://teach.mapnwea.org/impl/MAPGrowthNormativeDataOverview.pdf

So, for example, amee's DC would be just over +3 SDs above the mean, which is above the 99th %ile.

EDIT:
Here's the actual percentile document. p. 149 is the one you're looking for:
https://teach.mapnwea.org/impl/normsResearchStudy.pdf

Last edited by aeh; 04/28/22 12:52 PM.
...pronounced like the long vowel and first letter of the alphabet...