1. PEP figures UK: taken from the Legal Business 100 2010 edition and RSG Consulting research. Figures converted from euros via an average exchange rate between May 1 2009 and April 30 2010, using historical data from Oanda

2. *US/global: taken from the Legal Business Global 100 2010, converted from US dollars via an average exchange rate between May 1 2009 and April 20 2010, using historical data from Oanda