DocCoverage: Sum and average numbers are not correct

When looking at `pyEDAA.OutputFilter`'s documentation coverage, the table shows inconsistent numbers:

<img width="457" height="438" alt="Image" src="https://github.com/user-attachments/assets/3e13c851-1208-4369-af16-d5233cd7bcb4" />

The counts in `Overall` are completely wrong.