Through two confidential sources, CREW learned that the Executive Office of the President (EOP) has lost over FIVE MILLION emails generated between March 2003 and October 2005. The White House counsel's office was advised of these problems in 2005 and CREW has been told that the White House was given a plan of action to recover these emails, but to date nothing has been done to rectify this significant loss of records.
Full report on the legal background online too.
5,000,000 in 30 months. That's 166,666/month. Or about 5,500 per day. How many people is that?
Update: Some relevant data on that question.