If you're prepared for a bit of a rabbit hole you can look at https://www.shadowstats.com/ which was allegedly the result of airline econometrics predictive model stopping working and that spurred someone to figure out what was going on.
The idea that the government would cook the books in their favor isn't outside the realm of possibility. The idea that it's been happening for 40+ years is worrying.
The idea that the government would cook the books in their favor isn't outside the realm of possibility. The idea that it's been happening for 40+ years is worrying.