they did not give hours per employee but gave this information

Air Liquide takes particular care to develop the competencies and expertise of its employees. Training is an integral part of this development. It allows employees to work safely and improve their performance, contribution and employability. In 2015, 77% of the Group’s employees had attended at least one training session during the year. The average number of training days per employee, per year was 3.5 in 2015. This represents a total of more than 1,250,000 training hours for 2015.

pg 26,33