The Green Bay Packers are the only publicly owned NFL team, and with that comes the requirement that they disclose their financial statements each year. Most of the numbers are specific to the organization, but there is one number that is of interest to all 32 NFL teams: the national revenue.
Sports teams sell tickets, concessions, and merchandise, but the real money for a lot of NFL teams is the national television contract. The 49ers are on the high end for ticket revenue given their new stadium, but the national television deal is still a big deal.