The information is not available in the format requested.
Estimates of the average number of in-work and out-of-work families benefiting from tax credits in 2006-07, as well as their total tax credit entitlements are available in the HMRC publication “Child and Working Tax Credits. Finalised Annual Awards 2006-07”. This publication is available on the HMRC website at:
Estimates for 2007-08 are not yet available.