Actual evidence, on the other hand, shows that less than 2 percent of terrorist attacks from 2009 to 2013 in the E.U. were religiously motivated. In 2013, just one percent of the 152 terrorist attacks were religious in nature; in 2012, less than 3 percent of the 219 terrorist attacks were inspired by religion

http://www.salon.com/2015/11/14/our_terrorism_double_standard_after_paris_lets_stop_blaming_muslims_and_take_a_hard_look_at_ourselves/