The document shows improvements in key performance metrics between January 2015 to January 2016 and July 2015 to January 2016. There were reductions in overdues, work in progress, and numbers not completed on time across various categories like PPM, reactives, work in progress, job completion notes, and key national accounts. The largest improvements were seen in orderbook overdues which reduced by over 99% between July 2015 and January 2016.