Searched for https://hivhealthclearinghouse.unesco.org/library/documents/red-book-what-you-want-know-about-yourself-10-14-years 
Note: This calendar view maps the number of captures of https://hivhealthclearinghouse.unesco.org/library/documents/red-book-what-you-want-know-about-yourself-10-14-years, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.