One other thought - there are people who serve less than a year in prison. One scenario is that they get out before serving their full sentence. (I'm not sure

One other thought - there are people who serve less than a year in prison. One scenario is that they get out before serving their full sentence. (I'm not sure on the details of how that happens, but I've read news articles about so-and-so who served 9 months of their X year sentence, and then got out for good behavior, etc)