The second report contains information about the most popular symbols and timeframes, as well as about the amount of multicurrency expert advisors. Besides, statistics about the amount of closed orders, their profitability and average profit per trade are published. The report also gives the ratio between the expert profitability and the amount of positions opened by the expert, as well as the ratio between the profitability and the position holding time.
More:
http://championship.mql4.com/2006/news/69
Hope this helps.