Excluding data on the persons employed in the budgetary entities conducting activity within the scope of national defence and public safety - this makes the difference between data for Poland Total and data for Poland Total by territorial division; concerns employees in the main workplace; The data concerning employed persons [as of 30 September (by 1999) or 31 December (from 2000)] describe people that perform work providing earnings or income. The number of employed persons is presented by the activity classification (until 1999 - European, from 2000 - Polish). The data concerning the number of registered unemployed persons in accordance with the Law on the Employment and Unemployment, dated 16.10.1991, include persons having no employment and not attending any full-time school, capable of work and ready to accept employment. Hazards connected with work environment (report Z-10).