The amounts of studies and investments are those carried out during the last financial year ended in 2018, the staff of the establishment is that at 31/12/2018, the information concerning the classification/certification of the establishment concern the year 2018 (INSTCLAS, AUTORIS, ISO, ENVOIE, AUT_CERTIF, EFF_ENV, SERV1), the rest of the qualitative data - General information of framework A - relates to the situation of the company at the time of answering the survey (June to October 2019).