Searched for https://www.unesco.org/en/search?f%5B0%5D=countries%3Abfa3bd6b-a6aa-50fc-8f7e-a4162ae3913c 
Note: This calendar view maps the number of captures of https://www.unesco.org/en/search?f%5B0%5D=countries%3Abfa3bd6b-a6aa-50fc-8f7e-a4162ae3913c, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.