Here, a simple badges that I created


= 300 good reports
= 1000 good reports
= 5000 good reports

i.e.

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Edited :
The badges icon has been edited to 16x16 pixels and you can find the bigger image size as follows :
https://i.imgur.com/JsC9qL0.png
https://i.imgur.com/LteaSgQ.png
https://i.imgur.com/aMS8hWI.png


or maybe something like this

= 300 good reports
= 1000 good reports
= 5000 good reports

i.e.