Manufacturing Industry 65. Mr. Marlow asked the Chancellor of the Exchequer what proportion of the wealth-producing sector of the economy was represented by manufacturing industry for each of the last eight years. Mr. MacGregor The information requested can be derived from table 2.1 or table 3.7 of the 1986 edition of "United Kingdom National Accounts" (the CSO "Blue Book"), a copy of which is available in the House of Commons Library.