Select DISTINCT(yr) from (select year(issue_date) as yr, issue_date from paper_master,printsize_master,stamps where issue_date!='' and  paper_master.paper_code=stamps.paper_code and paper_master.paper='Unwatermarked paper'  and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize='4.4  x 3.6'  and stamps.serial_no='0885'  order by issue_date) t