§ Mr. Jim Lesterasked the Secretary of State for Energy what level of production per man shift underground was achieved in each of the years 1964 to 1974 in the coal industry.
§ Mr. EadieFollowing is the information:
Output per manshift—underground at NCB mines Cwt. 1964 43.9 1965 46.0 1966 46.9 1967 49.3 1968 53.8 1969 56.3 1970 57.4 1971 57.1 1972 55.8 1973 58.1 1974 55.2