Public Service Employees Mrs. Bain asked the Secretary of State for Scotland what percentage of the Scottish total active labour force was engaged in publicly-owned industries, including education, health and local government, in each year from 1964 to 1974. Mr. William Ross During the period 1968–1973 the figure was approximately 25 per cent. Data are not available prior to 1968 and have not yet been collated for 1974.