Monthly counts of the total "heads on pillows" - split between those
staying in hotels (the blue lines) and 'other' accommodation (pink) -
in the busiest two provinces of Italy's Campania region....

- Naples: made up of the city, Sorrento, Ischia, Capri etc

- Salerno: that city, the Amalfi Coast, Paestum and the Cilento

Divide by 30 for a rough indication of the number of people who
would have been walking around each day!