Paul on Nostr: nprofile1q…x2q04 If that's your definition why not get a count of each distinct ...

nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpqnxpazs7896gw3nxcy9gqx6wx8q8cswk6wqrftnxnv5zl8uxwjyfq2x2q04 (nprofile…2q04) If that's your definition why not get a count of each distinct operator for all nodes tagged shop=supermarket from the API (or one of the frontends that allows you to query)?