Let me unbundle the “why” and give some different categories.
On the question I just answered on the unavailability of labour market data at the micro, granular level, I think the “why” is that no such instruments existed. That's why we didn't collect it. That's why we had embarked, starting in 2016, on a program to try to collect it, but that program is not yet advanced enough to have that data.
In sum, the answer to the “why” is that there were technical limitations on what we could do. We are working through those, but as the Auditor General indicated, we are doing that on a pilot basis to test it—