why does format change when change slicer value

I have a scatter plot visual

I have 3 layers of data, so I can show concentric circles, each representing a different category.

- the bottom layer represents country - US, CAN, Mex

- the second layer represents type of account - A, B, C

- the top layer is to get the information about the point, project name

I set it up on all the data so that it works fine, but when I select a slicer for a different month, the visual changes.Any suggestions as to why this occurs.

Here is how I want it:

Here is what happens when I select all slicer options. Bubbles increase in size a little

Here is what happens when I select a different month - I do not want this, but want to know why it occurred. All of the columns and logic are the same for the month that I do want. Bubbles increase in size a lot and lose the border bubble

Here is a snippet of the relevant data