Frequencies for first 10,000 rows of autopsy variable in linkco1991us_num dataset :

    Autopsy |
  Performed |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,415       44.15       44.15
          2 |      5,388       53.88       98.03
          9 |        197        1.97      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015