Deloitte___
Deloitte is an organization of member firms around the world devoted in providing professional services and advice, focused on client service through a global strategy executed locally in nearly 150 countries.
Below you can see about the global survey which is conducted by Deloitte titled:
Hotel Benchmark: Global Performance Review with statistical data and analysis of the major trends and issues of the hotel industry from 2000 until 2005.
Global Performance Review