Just to clarify Luc's answer, Luc is an expert, and he has been all his life in the railway safety environment, but this is a gut feeling. This is his own intuitive assessment. We have not yet determined a scientific tool to specifically measure it, which would require a survey of a large number of people, as we did, as I explained, with the implementation of our diversity strategy.
On April 1st, 2008. See this statement in context.