Unfortunately at present you can only specify a single year in the advanced search form. Not all databases offer the ability to search by year range, and in those cases the request is simply ignored by the vendor, resulting in any relevant articles being returned regardless of published date.
However once your results list is displayed you can group the results by date. In the ‘Clustered Results’ panel (left) Click on the ‘Date’ tab, and your results will be grouped by year. Clicking on one of these categories will show only results from the chosen year(s).