Frequencies for first 10,000 rows of diagsc2r variable in nhamcsed1997 dataset :

      other |
diag/screen |
  serv #2 - |
    numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,960       99.60       99.60
       6816 |          1        0.01       99.61
       8934 |          1        0.01       99.62
       8939 |          3        0.03       99.65
       8965 |          3        0.03       99.68
       9002 |          2        0.02       99.70
       9032 |          2        0.02       99.72
       9041 |          1        0.01       99.73
       9042 |          2        0.02       99.75
       9043 |          3        0.03       99.78
       9089 |          1        0.01       99.79
       9093 |          3        0.03       99.82
       9099 |          1        0.01       99.83
       9132 |          2        0.02       99.85
       9139 |          2        0.02       99.87
       9142 |          3        0.03       99.90
       9143 |          1        0.01       99.91
       9191 |          2        0.02       99.93
       9192 |          2        0.02       99.95
       9419 |          3        0.03       99.98
       9999 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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