Usually it shows around 1-2 peers on the player when I watch videos on PeerTube. I just watched a video that had up to 20 peers.

Here are the stats

Total downloaded: 1.5 GB
* From servers: 149 MB
* From peers: 1.3 GB
Total uploaded: 618 MB

I left the video open while writing this text an now I uploaded a total of 1.0 GB.

Nice to see PeerTube in action in a real peer to peer way.