shorter expert discussion papers, for example, on topics like nanotechnologies, robotics, 3D printing 
and use of performance-enhancing drugs in working life.436  
 
7.2 Quantitative data on OSH 
Quantitative data are the core  of this report, although the authors are aware that quantitative data 
finally gain their value by a well-considered qualitative description, including an analytical interpre-
tation of the reasons and context . Analysis aims to find answers to questions like: Why is this trend 
as it is, what are the reasons? Which data are available and which data do we not have but would like 
to? What do the data tell us about the need for action?