CHICAGO (CBS) — Tourists are flocking to the city, and it’s a boon for Chicago hotels. Hotel Business Booming In Chicago The occupancy rate in 2012 hit 75 percent–tying a city record set in 2007 That’s up four percent over 2011–even as the city continues to add more hotels. It’s not just good news for hotels and the tourism industry. The filled rooms mean more money for city coffers. The hotel tax generated more than $100 million in 2012–up $25 million from the previous year.