According to the recently released 4th Annual Exhibition Industry Index, published by the Center for Exhibition Industry Research (CEIR), the overall exhibition industry grew 4.8 percent from 2005 to 2006, compared with a 5.8 percent increase from 2004 to 2005. The index provides research on trends in exhibit sales, attendance, square footage and revenues by 11 industry segments. Benchmark your show against others in the same sector. To learn more on this topic, read State of the Industry in the May 2007 issue of EXPO.