The number of years, since starting the first regular paid job, that the person has spent at work (whether as an employee or self-employed). Unpaid work as a helping family member should not be taken into consideration.

• Regulation (EC) No 471/2009 of the European Parliament and of the Council of 6 May 2009 on Community statistics relating to external trade with non-member countries and repealing Council Regulation (EC) No 1172/95 Text with EEA relevance
  Place of publication: (Dz. Urz. UE L 152 z 16.06.2009, str. 23, z późn. zm.)