What pharmacies received the most pain pills from 2006 to 2019?

The map shows retail and chain pharmacies by the number of pills received per person for every year between 2006 and 2019. Population data was calculated using the population data from the census tract the pharmacy was located within.

Note: Pharmacy locations are approximate. Some pharmacies may have relocated or aren't open anymore. Size of points was determined by calculating the number of pills per person based on 2019 estimates for the census tract where the pharmacy is located and dividing by 14 years.
Source: ARCOS/The Washington Post/U.S. census estimatesGet the dataCreated with Datawrapper