Your discipline has no trustable repository? You would prefer to opt for an UCLouvain solution? You can now publish your data on the UCLouvain dataverse.
Most research institute have already created a sub-repository in which you can publish your data safely, and receive a DOI. This will help researchers to locate your data permanently, but also allow them to cite you, which will give you credit for your work.
If you want to publish data <1TB, it's free. yet, if your dataset is bigger, you'll pay 33.3 euros/TB/year (500 euros/TB for a 15 years period).
More information on the UCLouvain Dataverse can be found here.