Total print numbers are publicly disclosed here:
www.pokemon.co.jp/corporate/en/services/
I think they update it twice yearly with numbers through September and March. Through September 2019 there were 28.8 B+ cards shipped which means they shipped 1.6 B+ cards in the 6 months of March to September of 2019.
I was planning to work on putting together my best estimates as to what this could potentially mean for each set along the way, but it just had too much uncertainty from all the decks, languages, promos, multiple sets in print at a time, etc. to be worth anything IMO. If someone wants to run with it go ahead.
www.elitefourum.com/t/an-elaborate-attempt-at-print-run-estimation-wip-5-8-18/20273/1