nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq4zv6g8vypsqceptz7hpm5hhduxuml4t9x5c3clftzj5y73wzuk0ql29989
I would suggest to footnote somewhere the source of your data, and a definition of extraction, i.e., what is being taken from the populations.