|FY 1990||FY 1997||FY 1998||FY 1999||FY 2000||FY 2001|
|Total confirmed releases||87,528||341,773||371,387||397,821||412,392||418,918|
|Percentage of total||59%||86%||85%||87%||89%||91%|
|Percentage of total||19%||52%||55%||58%||61%||64%|
NOTE: Data are cumulative and are as of the end of the fiscal year.
SOURCE: U.S. Environmental Protection Agency, Office of Underground Storage Tanks, Corrective Action Measures Archive, available at http://www.epa.gov/swerust1/cat/camarchv.htm, as of April 2002.