PID column doesn't sort right in Activity Monitor. Reproducible?

I tried to upload a screenshot and got "An error occured while uploading this image. Please try again later." Let's see if this works: https://share.icloud.com/photos/0AziOmDe1WNzvXgu_t4uOStgg For those hesitant to click:

Sorting by PIDs results in this order

351 (!)
352 
56573
56572
56571 (note reverse order of last 3)
0
1
313
314
317
318
...

PID column doesn't sort right in Activity Monitor. Reproducible?
 
 
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