As someone who has been exploited in this kind of situation by a company who uses the information for profit then hides behind a legal paywall, I say that if it is for private use and it is only historical data, let anyone share it.
It is not a personal invention or industrial secret.
I spent several years of my life working on a project that I will never likely get recognition for and must now prove that I participated in, should I mention my participation.
Secrecy ultimately backfires if it is not well justified or is not followed by reasonable disclosure. The information always leaks or gets lost.
Unless there is a good reason, the secrecy is generally unjustified.
Who are you hiding your "secret" from, anyway? It's just a model of an old, fictional subject!