Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International
CC-BY-NC-SA-4.0 · v4.0 · SPDX CC-BY-NC-SA-4.0
Share and adapt for non-commercial purposes only, with credit, and anything you build from it must carry this same licence. Share-alike is the part that catches people, because it travels into your derived work: a chart or an index built on this data is itself non-commercial and share-alike.
Attribution text
Source: as cited, licensed under CC BY-NC-SA 4.0.
Our notes
Standard public licence, well-known terms. The share-alike clause has real consequences for a platform that recombines sources: a derived indicator computed partly from CC BY-NC- SA data inherits the condition, which is why derived indicators need their inputs checked before publication.