It is hard to distinguish indeed, since there is no noticeable difference. Jokes aside, as a data scientist of a long career, I don’t share your skepticism. It

It is hard to distinguish indeed, since there is no noticeable difference. Jokes aside, as a data scientist of a long career, I don’t share your skepticism. It would be a hilariously easy task to extract this information from the data with the variables involved and the records insurance companies are able to keep.