After he was shown the forged DNA results by Beth Fernley, victim Ryan Hampson bought items for the unborn baby, was at the child's birth, and was named on the birth certificate.
The unexpectedly large fall came due to cheaper fuel and games costs - and was helped by the late timing of Easter. It's meant more interest rate cuts are expected this year.
There are just 961 cells available, according to government statistics. There are also fewer prison places available than before either of the early releases carried out last year.
Zak Coyne ran a "sophisticated worldwide criminal enterprise", according to the Crown Prosecution Service - which allowed others to "perpetrate fraud on a massive scale".