Frequencies for first 10,000 rows of cause3r variable in namcs2004 dataset :

   cause of |
injury #3 - |
    numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,995       99.95       99.95
       8160 |          1        0.01       99.96
       8490 |          2        0.02       99.98
       8494 |          1        0.01       99.99
       8970 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016