the amounts of studies and investments are those carried out during the last financial year ended in 2016,the establishment's workforce is the same as at 31/12/2016,the information concerning the classification/certification of the establishment concerns the year 2016 (INSTCLAS, AUTORIS, ISO, ENVOIE, AUT_CERTIF, EFF_ENV, SERV1),the rest of the qualitative data --General information part of the questionnaire-- relates to the company's situation at the time of responding to the survey (June to October 2017).