The Deepwater Horizon tragedy and Gulf oil spill, by the numbers.
Number of workers killed on the Deepwater Horizon ultra-deepwater, dynamically positioned, semi-submersible offshore oil drilling rig owned by Transocean during the explosion on April 20, 2010: 11
Official estimate of volume of oil spilled into the Gulf of Mexico: 4.9 million barrels
Volume of chemical dispersants sprayed into the Gulf: 1.07 million gallons
Percent of Gulf residents and clean-up workers that were exposed to oil or dispersant who experienced an "abnormal increase" in symptoms such as cough, eye irritation, headache, and sinus irritation, according to a Louisiana Bucket Brigade survey: 72 percent
Miles of shoreline that remain "heavily or moderately" oiled, according to NOAA chief Jane Lubchenco: 66
Number of dead dolphins that have washed ashore in the Gulf during this calving season: More than 150
Number of oil spill-related bills that were introduced to the 111th Congress: 101
Number of oil spill-related bills that were enacted into law: 0
Cash paid out of BP's $20 billion oil spill compensation fund to date: $3.8 billion
Number of recipients—people and businesses—of compensation to date: 180,000
Number of claims filed: 857,000
Percentage of Americans who favor more offshore drilling, according to a CNN/Opinion Research Corporation poll conducted this month: 66 percent (PDF)
Number of inspectors responsible for the more than 3,500 drilling rigs and pumping platforms in the Gulf: 60
Increase in number of these offshore rig inspectors since the Deepwater Horizon explosion: 4
Percentage that domestic offshore oil production has decreased from 2010, largely due to the Obama administration's moratorium on deep offshore drilling: 13 percent
Percentage that overall domestic oil production has decreased from January 2010 through January 2011 (the latest month for which numbers are available): 0
Percent of offshore acres already under lease by oil companies that are inactive, not yet producing, nor subject to any further permitting or approval: 70 percent
Barrels of oil untapped by oil companies sitting on these unused leases: 11 billion
Length of BP's "A Year of Change" video, featuring Chief Executive Bob Dudley discussing what it has done to remedy the spill's damage and improve its safety practices: 20 minutes
Pages in the National Commission on the Deepwater Horizon Oil Spill and Offshore Drilling's final report to the President: 306 (not including end notes)
Recommendations in the commission's report that have been adopted by Congress: 0
photo via Greenpeace