Another 842 dead:

More than 646 contractors have been killed in Iraq since 2003, according to the U.S. Labor Department.
Sixty-eight death claims were filed with the Labor Department in the last three months, a new report by the department said.
Another 196 U.S. government civilians have been killed since 2003, eight of them in the last three months, according to a quarterly report to Congress filed by the special inspector general for Iraq reconstruction.

What stats do these deaths ever show up on?