Regarding the period that seems to be missing, let me mention that, once qualitative tests have been conducted on all the census questions, both in the short and the long questionnaires, we have to analyze the data. For a number of questions, there are a number of possible options. The objective is to identify the best questions for the entire census. Afterwards, we have to conduct quantitative testing.
So we go from the quantitative test to a certain number of wordings; we reduce the options. We can still test a number of options with the same question. That must be analyzed before we can have conclusive results.