Frequencies for first 10,000 rows of diagsc32 variable in nhamcsed1993 dataset :

      other |
diag/screen |
 service #3 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,877       98.77       98.77
         03 |          1        0.01       98.78
         75 |          1        0.01       98.79
         89 |         24        0.24       99.03
         90 |         42        0.42       99.45
         91 |         39        0.39       99.84
         93 |          5        0.05       99.89
         94 |          1        0.01       99.90
         99 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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