Sorry - just reread your post.
The report suggests that there is a link between a countries latitude and exposure to changes in daylight with it's responses (which would make sense.) I reckon that as these types of consultations tend to rely on PR to gain any sort of proper traction that it...
If that is a genuine question, the EU always publishes all their information about this sort of thing. The full report is here:
https://publications.europa.eu/en/publication-detail/-/publication/64e670c5-fcf9-11e8-a96d-01aa75ed71a1
Contains details of methodology, bias, caution against...