Can you name one example of a communist system, where that metric is so small, it's negligible?
However, looking a bit further reveals massacres between 1945 to 1947. The Wikipedia article about his secret police has "A List Of People Assasinated" by them...
And since we are talking about cherry-picking, this is a problem I have with people claiming to be "on the left": this selective blindness to obvious horrendous crimes by the regime and abuse of power that these things lead to.