Frequencies for first 10,000 rows of cause23d variable in nhamcsed1994 dataset :

   cause of |
injury #2 - |
      broad |      Freq.     Percent        Cum.
------------+-----------------------------------
       8000 |      7,090       70.90       70.90
       8001 |      2,798       27.98       98.88
       8849 |         97        0.97       99.85
       8850 |          2        0.02       99.87
       8858 |          2        0.02       99.89
       8860 |          2        0.02       99.91
       8865 |          1        0.01       99.92
       8888 |          1        0.01       99.93
       8906 |          1        0.01       99.94
       8920 |          2        0.02       99.96
       8931 |          1        0.01       99.97
       8950 |          2        0.02       99.99
       8960 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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