The Cabinet Office, on an annual basis, publishes a report to Parliament on the performance of departments in replying to Members correspondence. The report for 2007 was published on 20 March 2008, Official Report, columns 71-74WS. Information for 2008 is currently being collated and will be published as soon as it ready. Reports for earlier years are available in the Library of the House.
This information relating to correspondence from members of the public could be provided only at disproportionate cost.