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

   Place of |
   Accident |
 for Causes |
  E850-E869 |
        and |
  E880-E928 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        124        1.24        1.24
          6 |          3        0.03        1.27
          7 |          2        0.02        1.29
          8 |          5        0.05        1.34
          9 |         26        0.26        1.60
          . |      9,840       98.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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