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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