Searched for https://cros-legacy.ec.europa.eu/content/2012-jan-24-26-introduction-seasonal-adjustment-and-demetra_en 
Note: This calendar view maps the number of captures of https://cros-legacy.ec.europa.eu/content/2012-jan-24-26-introduction-seasonal-adjustment-and-demetra_en, not how many times the site was actually updated.
Look Up URL in general Internet Archive web collection.