Last updated on January 12th, 2022
References:
- https://www.cia.gov/library/publications/the-world-factbook/geos/sm.html
- https://en.wikipedia.org/wiki/List_of_countries_by_vehicles_per_capita
- https://en.wikipedia.org/wiki/San_Marino
- http://www.britannica.com/place/San-Marino-republic-Europe
- https://en.wikipedia.org/wiki/History_of_San_Marino
- http://www.everyculture.com/No-Sa/San-Marino.html