- [x] "[Collecting All Eurobarometer Regional Coding Information From Climate-Relevant GESIS Files](https://github.com/rOpenGov/retroharmonize/tree/master/data-raw/use_case-regional-coding)" - [x] Handle small country exceptions - [ ] Create correspondence to as many NUTS codes as possible. This may be a complex issues and it has a [project](https://github.com/rOpenGov/retroharmonize/projects/1)