The numbers tell the story of the Deepwater Horizon tragedy and the nation's worst ever oil spill that resulted.
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