Information on the numbers of recalls of prisoners released on licence from prison establishments in England and Wales can be found in tables 10.7, 10.8 and 10.9 in the Offender Management Caseload Statistics 2005. This publication has recently been published and a copy is available in the House of Commons Library; it can also be accessed over the web at the website:
http://www.homeoffice.gov.uk/rds/pdfs06/hosb1806.pdf
These figures have been drawn from administrative IT systems. Although care is taken when processing and analysing the returns, the detail collected is subject to the inaccuracies inherent in any large-scale recording system, and although shown to the last individual the figures may not be accurate to that level.