Table 4. Estimated Annual Purchases, Gross Margins, and Gross Margins as a Percent of Sales for Merchant Wholesalers, except Manufacturers' Sales Branches and Offices: 2002 Through 2004 [Purchases and gross margins estimates are shown in millions of dollars and are based on data from the Annual Wholesale Trade Survey. All estimates have been adjusted using the results of the 2002 Economic Census.] 2002 NAICS CODE Kind of business 2002 2003 2004 42 Purchases, total 2,253,776 2,366,842 2,650,318 423 Durable goods 1,077,100 1,103,003 1,273,767 4231 Motor Vehicle and Motor Vehicle Parts and Supplies 198,877 208,457 226,987 4232 Furniture and Home Furnishings 36,950 37,906 41,037 4233 Lumber & Other Construction Materials 77,198 86,190 105,818 4234 Professional and Commercial Equipment and Supplies 202,485 202,479 222,448 42343 Computer and Computer Peripheral Equipment and Software 121,508 117,218 127,885 4235 Metals and Minerals, ex. Petroleum 64,327 64,414 96,222 4236 Electrical Goods 171,485 175,150 196,874 4237 Hardware, and Plumbing and Heating Equipment and Supplies 51,084 51,561 58,159 4238 Machinery, Equipment, and Supplies 164,903 166,305 189,271 4239 Miscellaneous Durable Goods 109,791 110,541 136,951 424 Nondurable goods 1,176,676 1,263,839 1,376,551 4241 Paper and Paper Products 56,800 57,977 63,356 4242 Drugs and Druggists' Sundries 215,529 242,950 262,159 4243 Apparel, Piece Goods, and Notions 73,144 72,367 73,749 4244 Groceries and Related Products 321,960 331,277 345,222 4245 Farm Product Raw Materials 95,216 105,783 113,167 4246 Chemicals and Allied Products 49,880 51,544 57,549 4247 Petroleum and Petroleum Products 176,847 209,093 246,770 4248 Beer, Wine, and Distilled Alcoholic Beverages 58,370 61,010 61,543 4249 Miscellaneous Nondurable Goods 128,930 131,838 153,036 42 Gross margins, total 586,179 601,567 676,175 423 Durable goods 344,082 348,432 405,918 4231 Motor Vehicle and Motor Vehicle Parts and Supplies 55,358 50,080 52,398 4232 Furniture and Home Furnishings 16,929 17,270 17,646 4233 Lumber & Other Construction Materials 18,329 21,054 25,730 4234 Professional and Commercial Equipment and Supplies 70,709 70,391 76,107 42343 Computer and Computer Peripheral Equipment and Software 28,863 27,687 30,462 4235 Metals and Minerals, ex. Petroleum 17,626 17,177 32,140 4236 Electrical Goods 50,171 51,265 59,123 4237 Hardware, and Plumbing and Heating Equipment and Supplies 19,386 19,721 20,528 4238 Machinery, Equipment, and Supplies 60,165 62,795 76,056 4239 Miscellaneous Durable Goods 35,409 38,679 46,190 424 Nondurable goods 242,097 253,135 270,257 4241 Paper and Paper Products 15,559 16,041 19,198 4242 Drugs and Druggists' Sundries 31,608 31,011 34,248 4243 Apparel, Piece Goods, and Notions 33,038 31,364 35,094 4244 Groceries and Related Products 65,435 74,417 65,586 4245 Farm Product Raw Materials 8,457 11,929 6,561 4246 Chemicals and Allied Products 18,359 18,213 19,482 4247 Petroleum and Petroleum Products 16,365 16,824 30,375 4248 Beer, Wine, and Distilled Alcoholic Beverages 21,438 21,447 24,547 4249 Miscellaneous Nondurable Goods 31,838 31,889 35,166 42 Gross margins as a percent of sales, total 20.67 20.31 20.51 423 Durable goods 24.21 24.05 24.53 4231 Motor Vehicle and Motor Vehicle Parts and Supplies 21.97 19.46 18.86 4232 Furniture and Home Furnishings 31.65 31.54 30.27 4233 Lumber & Other Construction Materials 19.28 19.92 20.00 4234 Professional and Commercial Equipment and Supplies 25.95 25.82 25.69 42343 Computer and Computer Peripheral Equipment and Software 19.16 19.18 19.34 4235 Metals and Minerals, ex. Petroleum 21.56 21.10 26.53 4236 Electrical Goods 22.50 22.57 23.30 4237 Hardware, and Plumbing and Heating Equipment and Supplies 27.52 27.68 26.48 4238 Machinery, Equipment, and Supplies 26.42 27.20 29.23 4239 Miscellaneous Durable Goods 24.31 26.14 25.52 424 Nondurable goods 17.12 16.73 16.46 4241 Paper and Paper Products 21.42 21.71 23.53 4242 Drugs and Druggists' Sundries 12.87 11.34 11.55 4243 Apparel, Piece Goods, and Notions 31.23 30.04 32.36 4244 Groceries and Related Products 16.96 18.36 16.01 4245 Farm Product Raw Materials 8.18 10.36 5.33 4246 Chemicals and Allied Products 27.11 26.12 25.51 4247 Petroleum and Petroleum Products 8.49 7.45 11.05 4248 Beer, Wine, and Distilled Alcoholic Beverages 27.07 26.09 28.67 4249 Miscellaneous Nondurable Goods 19.76 19.52 18.94 Note: Estimates have not been adjusted for price changes. Table 4A provides estimated measures of sampling variability. Additional information on confidentiality protection, sampling error, sample design, and definitions may be found at http://www.census.gov/svsd/www/atsreliability.html.