Axis is dynamic - results in a column chart

Hi everyone,

I am monitoring the adoption level of an application.

Overall, I have a table that captures the user name and dates when they connect to the app so I can calculate how often they use it and classify them dynamically by frequency type like "high", "medium","low" depending on the period that is selected

(example: users can be classified as "High" if they used the app very frequently between date A to B but the same users could be classified as "Low" if they did not use the app much between date B to C)

However, the measure I created to dynamically classify the users to finally report the number of unique users with "high", "medium", and "low" use level is useless as PowerBI does not allow to display measures as X-axis so I try to find a workaround - but still have not found it...

Any suggestions? I attached an excel that illustres what I try to do as well as my PowerBI draft then. Thanks a lot!

Excel illustration: https://easyupload.io/82x39b

PowerBI draft: https://easyupload.io/monkm2