Wow, that is very cool! Thank you for this! We can solve so many disagreements with just looking at the data 
Would you document the de-facto tagging situation in the wiki (if it deviates from your findings)?
@yopaseopor , would you update the assumptions made of the de-facto situation in your proposal based on the findings (if it deviates from what you wrote - I didn’t actually look at your proposal yet)?