Several hotel companies reported successful fourth-quarter and full-year 2010 numbers this week. Privately held Carlson touted its 12 percent year-over-year increase in sales for the year, to a systemwide $6.5 billion. Other positive results were related to the company's "Ambition 2015" growth plan: At the end of the year the company was operating 1,071 properties, with 200,000 rooms in the development pipeline. Carlson signed agreements to manage 87 hotels and opened 66 properties during 2010. Highlights for publically traded IHG, meanwhile, included an 11 percent boost in gross revenue for the year, with a 6.2 percent jump in global revenue per available room. In the fourth quarter, IHG's revPAR increased by 8 percent. Marriott International's fourth quarter revPAR received a similar boost, with an 8.1 percent increase over last year's numbers. Marriott's adjusted earnings for the quarter soared by 22 percent over the previous year. Average daily rate rose by a solid 2.3 percent for the quarter, according to Marriott's report.