There are two version for EA Follow trend.
1. Single version: trade with only one pair of currency each time. So, the profit will be fluctuated depend on what kind of currency you choose. Average +3% per month
2. Multi version: trade with 7 pairs of currency each time. So, the profit will stable. Average +23% per month.
This is backtest from 01 Jan 2013 to 30 Nov 2013
For detail, please see attached files here