Note: This calendar view maps the number of captures of http://unesdoc.unesco.org/ulis/cgi-bin/ulis.pl?database=ged&mode=e&sc1=1&sc2=1&by=3&look=new&req=2&lin=1&mt=&mtA=&pdf=1&ds=Barbados&title=Barbados, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.