YAxis on Grouped Bar not showing correctly

I’m checking out the charts on the reporting, on this chart I have the ‘Grouped Bar’ selected

I have the Opportunity Amt in the Y-Axis, and the Sales stage on X-Axis

I was under the impression of it would list the amount on the y-axis but it looks like this is just counting the number of opportunities on each sales stage

This is how I have the report setup as well if it helps

It shows when its a Line chart but just not on bars

What am I doing wrong here?

We have version 8.8.0

Even I am getting the same issue when I select grouped bar chart.