1992 CENSUS OF WHOLESALE TRADE ESTABLISHMENT AND FIRM SIZE Abbreviations and symbols The following abbreviations and symbols are used in this publication: D Withheld to avoid disclosing data for individual companies; data are included in broader kind-of-business totals. N Not available. X Not applicable. R Revised. The following symbols are used in this publication to show employment size ranges for employment data that has been withheld to avoid disclosing data for individual companies (employment size range codes are provided for the first time in the 1992 Economic Census): Symbol Employment size a 0-19 b 20-99 c 100-249 e 250-499 f 500-999 g 1,000-2,499 h 2,500-4,999 i 5,000-9,999 j 10,000-24,999 k 25,000-49,999 l 50,000-99,999 m 100,000 or more