I want to create a simple counter for victory points, one for each side

I have a game with ships which have Property Sheets with values on them. One of the values is vp for the individual ship. I have a graveyard with zones for each side. I would like to display the graveyard with a running total of the vp lost for each side.

I have this:

I want this:

Any pointers on how to do it or a pointer to a module that has something like this.

I have a sink command that could get the value of the VP and add it to a total but how to display on the map? Also better alternatives. I do not need for user input as I can get the property. No nasty human input…