To ask the Secretary of State for Health if he will list by year for the last five years to date the annual cost of the national health service in the Doncaster district health authority for staff who have been employed through agencies as (a) nurses, (b) operating department assistants and (c) ancillary and other staff.

The information requested is not held centrally, and is not easily obtainable. The hon. Member may wish to write to Mr. J. G. S. Smith, chairman of Doncaster health authority, for the information that he requires.