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Mr. Mike Thomas
asked the Secretary of State for Energy whether he will place in the Library details of the assumptions, calculations and background figures on which his reply to the hon. Member for Newcastle-upon-Tyne, East on 24th February 1975, columns 12 to 14, is based, and any additional related information that he has at his disposal.
| Per cent. | |||||||
| National Coal Board | Electricity Council and Boards | British Gas Corporation | Large quoted companies in manufacturing industry | ||||
| (a) | (b) | (c) | (d) | ||||
| 1955–56 | … | … | … | 2·8* | 4·4 | 3·5 | 18·9 |
| 1956–57 | … | … | … | 6·7* | 4·6 | 4·2 | 17·1 |
| 1957–58 | … | … | … | 3·3* | 4·9 | 4·1 | 16·1 |
| 1958–59 | … | … | … | 2·6* | 5·6 | 3·3 | 14·8 |
| 1959–60 | … | … | … | 1·6* | 5·4 | 3·3 | 16·0 |
| 1960–61 | … | … | … | 2·3* | 4·9 | 4·1 | 16·5 |
| 1961–62 | … | … | … | 3·1* | 5·5 | 4·4 | 14·2 |
| 1962–63 | … | … | … | 5·2* | 6·1 | 4·6 | 12·4 |
| 1963–64 | … | … | … | 8·5 | 6·9 | 5·2 | 13·3 |
| (15 months) | |||||||
| 1964–65 | … | … | … | 5·0 | 6·4 | 5·9 | 14·6 |
| 1965–66 | … | … | … | 0·0 | 7·0 | 5·4 | 13·9 |
| 1966–67 | … | … | … | 4·7 | 5·2 | 4·8 | 12·0 |
| 1967–68 | … | … | … | 5·2 | 6·1 | 3·8 | 12·0 |
| 1968–69 | … | … | … | 4·2 | 7·1 | 6·6 | 13·4 |
| 1969–70 | … | … | … | 1·4 | 6·4 | 6·5 | 12·5 |
| 1970–71 | … | … | … | 5·4 | 4·1 | 6·2 | 11·5 |
| 1971–72 | … | … | … | -18·2 | 5·1 | 7·2 | 12·6 |
| 1972–73 | … | … | … | -7·1 | 5·8 | 7·3 | 14·9 |
| 1973–74 | … | … | … | -22·8 | 3·0 | 5·4 | 16·9 |
| (provisional) | |||||||
| (a) Operating profit after depreciation/average net assets employed. Source: National Coal Board | |||||||
| (b)Operating profit after depreciation/average net assets employed. Source: Electricity Council. | |||||||
| (c) Trading profit after depreciation/average net assets employed. Source: British Gas Corporation. | |||||||
| (d) Net trading income/net trading assets at historic costs, based on Department of Industry analysis of company accounts. Source: Monopolies and Mergers Commission Accountancy Staff. | |||||||
| * From 1955 to 1962 inclusive the National Coal Board figures relate to calendar years. | |||||||
Mr. Eadie
I will write to my hon. Friend and will place a copy of my reply in the Library.