Frequencies for first 10,000 rows of diagsc12 variable in nhamcsed1993 dataset :

      other |
diag/screen |
 service #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      7,212       72.12       72.12
         29 |          1        0.01       72.13
         75 |          9        0.09       72.22
         80 |          3        0.03       72.25
         81 |          1        0.01       72.26
         86 |          1        0.01       72.27
         89 |        241        2.41       74.68
         90 |      2,255       22.55       97.23
         91 |        124        1.24       98.47
         93 |          5        0.05       98.52
         94 |         50        0.50       99.02
         99 |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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