Most NFL teams' financial statements are secret. "The Kansas City Star" obtained the Kansas City Chiefs' tax returns for 2008–2010. According to the "Star", the team's revenue rose from $231 million in 2008 to $302 million in 2010. In 2010, two thirds of revenue came from the league: $99.8 million from NFL Ventures ($55.3 million) and NFL Enterprises ($44.6 million), and the $99.9 million share of the television contract. The remaining one third was from tickets ($42.4 million), corporate sponsorships ($6.6 million), food sales ($5 million), parking passes ($4.7 million), in-stadium advertising ($3.7 million), radio contract ($2.7 million), and miscellaneous sources.