§ Mr. Barron
To ask the Secretary of State for Health (1) if he will list the 50 most expensive and 50 least expensive prescription drugs available in the NHS; what is the cost of each to the NHS; and how many prescriptions for each have been issued during the last 12 months for which records are available; 
(2) what was the cost to the National Health Service of each of the 50 most commonly prescribed drugs for the latest available 12-month period; and how many prescriptions for each drug were issued. 
§ Mr. Malone
The information requested cannot be supplied as it contains data which are confidential.