Average hours of training per year per employee broken down by employee category: ILO International Standard Classification of Occupations (ISCO-88); ILO Convention 142, “Human Resources Development Convention”, 1975; ILO Convention 140, “Paid Educational Leave Convention”, 1974; ILO Convention 155, “Occupational Safety and Health Convention”, 1981; OECD Guidelines for Multinational Enterprises, Revision 2000, Articles II, 4 & IV, 2 (c), 3 and 5; ILO R117, “Vocational Training Recommendation”, 1962.