Exhibit 3. U.S. Consumption Imports by Top Ten Three-digit NAICS Codes - 2010 In millions of dollars. (Z) Represents zero or less than one half of measurement shown. NAICS Product Description Total Related Nonrelated Nonreported Party Trade( Value Percent Of Value Percent Of C Value Percent Of Ca Value Percent Of Category Total Imports Total(2) 1,898,610 100.0 922,202 48.6 945,483 49.8 30,926 1.6 Imports (Descending order, by value of related-party imports) Top Ten Total 1,471,615 77.5 822,101 55.9 634,591 43.1 14,923 1.0 Computer & Electronic Products 324,481 17.1 203,900 62.8 120,575 37.2 6 (Z) Transportation Equipment 239,983 12.6 179,516 74.8 60,462 25.2 5 (Z) Chemicals 187,754 9.9 134,065 71.4 53,535 28.5 153 0.1 Oil & Gas 226,688 11.9 80,071 35.3 131,901 58.2 14,716 6.5 Petroleum & Coal Products 102,049 5.4 54,618 53.5 47,423 46.5 8 (Z) Machinery, Except Electrical 104,782 5.5 53,747 51.3 51,013 48.7 22 (Z) Miscellaneous Manufactured Commodities 97,547 5.1 36,292 37.2 61,247 62.8 8 (Z) Electrical Equipment, Appliances & Compone 68,384 3.6 33,465 48.9 34,919 51.1 1 (Z) Primary Metal Mfg 79,053 4.2 26,739 33.8 52,313 66.2 0 (Z) Goods Returned (exports For Canada Only) 40,894 2.2 19,688 48.1 21,203 51.8 3 (Z) (1) Related-party indicator was missing from documentation. (2) For definition, see Technical Documentation. NOTE: This exhibit is compiled from detailed merchandise trade data. For information on definitions, nonsampling errors and other data limitations refer to the technical documentation on page 8, of this release or at www.census.gov/foreign-trade/Press-Release/related_party/index.html.