§ Mr. Dobsonasked the Secretary of State for Social Services if he will give the Government's estimated number of heroin addicts using National Health Service drug rehabilitation centres in each year since 1979 and the number who have ceased to be addicts.
§ Mrs. Currie[pursuant to her reply, 10 December 1986]: I am sorry I cannot give the hon. Member the information he seeks as it is not collected centrally.