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Historical Data Tables for 1978 - 2008
(Files Updated 02/03/2010)
  Number of Operations
  Production in Short Tons
  Average Number of Employees
  Number of Hours Worked
  Number of Fatal Injuries and Fatal Incidence Rates (IR)
  Number of Nonfatal Days Lost (NFDL) Injuries and NFDL Incidence Rates (IR)
  Number of No Days Lost (NDL) Injuries and NDL Incidence Rates (IR)
  Total Number of Injuries and Total Incidence Rates (IR)

Historical Data Tables for 1931-1977
  Injury Experience, Worktime, and Production Data
  Number of Fatal Injuries
  Number of Nonfatal Disabling Injuries
  Fatal Injury-Frequency Rates per Million Man-Hours
  Nonfatal Disabling Injury-Frequency Rates per Million Man-Hours
  Fatal Injury-Severity Rates per Million Man-Hours
  Nonfatal Disabling Injury-Severity Rates per Million Man-Hours
  Man-Hours Worked
  Production in Short Tons
  Count of Operations