Information on employers’ contributions to pension funds and other retirement benefits for local authorities in England for 2007-08 can be obtained from the Local Authority Revenue Expenditure and Financing England 2007-08 Final Outturn statistical release published on CLG's website at:
http://www.local.communities.gov.Uk/finance/stats/natstats.htm#rev
Data for earlier years, where available, can be obtained from annual editions of Local Government Financial Statistics England.