This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The percentage of articles on which were stubs on any particular date Also includes data reconstructed from before the stub category using retrostubs The idea is that if an article is eventually labelled stub then it was probably stub from its inception as an article As with most statistics the dip in late is due to User Rambot