§ Mr. Nicholas Baker
asked the Secretary of State for Energy what was the average output per man over the last five years among miners employed by the National Coal Board.
§ Mr. John Moore
Information on the average output per man year at NCB collieries is published in the Department's annual "Digest of United Kingdom Energy Statistics", copies of which are available in the Library of the House. For convenience, the figures for the past five financial years are given below:
Output per man year* (tonnes) 1974–75 475 1975–76 463 1976–77 448 1977–78 442 1978–79 449 *Output of saleable coal divided by the average number of men on colliery books.