Appendix table 2 Survey establishment response Private State and Establishments Civilian industry local government Total in sampling frame(1)............................................ 798,147 776,455 21,691 Total in sample....................................................... 3,999 3,535 464 Responding........................................................ 2,645 2,236 409 Refused or unable to provide data................................. 868 814 54 Out of business or not in survey scope............................ 486 485 1 1 The list of establishments from which the survey sample was selected (sampling frame) was developed from State unemployment insurance reports and is based on the 2007 North American Industry Classification System (NAICS). For private industry, an establishment is usually a single physical location. For State and local government, an establishment is defined as all locations of a government entity. NOTE: Dashes indicate that data did not meet publication criteria. SOURCE: Bureau of Labor Statistics, National Compensation Survey.