Appendix table 2 Survey establishment response Private State and Establishments Civilian industry local government Total in sampling frame(1)............................................ 811,360 778,045 33,315 Total in sample....................................................... 6,472 5,802 670 Responding........................................................ 4,013 3,409 604 Refused or unable to provide data................................. 1,598 1,535 63 Out of business or not in survey scope............................ 861 858 3 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 industries, an establishment is usually a single physical location. For State and local governments, 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.