Oil spill by the numbers
184 million: Estimated gallons released into the Gulf since April 20.
572: Miles of Gulf Coast shoreline currently oiled.
2,700: Square miles, the size of the visible slick of surface oil.
83,927: Square miles, the size of the area still closed to fishing.
$336 million: Market value of the spilled oil.
$3.5 billion: Amount BP PLC has spent on the response.
Sources: Associated Press; National Incident Command;