If you don't like Wikipedia, how about the Chinese government's official arrest statistics? https://web.archive.org/web/20180725042225/https://www.nchrd... Just click on the numbers in the table to verify that they match the original Chinese source.

Of course you can choose to believe that the Internet Archive is in on the conspiracy, in which case you cannot be helped.

Or you can choose to believe that Chinese police were exaggerating their arrest statistics to make themselves look good, in which case I have an interesting article for you that mentions the practice: https://madeinchinajournal.com/2019/10/25/punish-and-cure%ef...