Table C19 of the 2005 Budget Red Book sets out the estimates for payments under private finance initiative contracts between 2005–06 and 2030–31. These figures are an aggregation of the projected annual unitary charge payments on PFI projects signed to date. Unitary charge payments under an individual PFI project are the public authority's payments for the service it has contracted for to deliver the specified outputs. The contractors' aim to recoup their costs over the life of the contract through the unitary charge, including capital, operating and finance costs.