Frequencies for first 10,000 rows of diagsc12 variable in nhamcsed1997 dataset :

      other |
diag/screen |
 service #1 |
    - 2 dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,316       93.16       93.16
         38 |          1        0.01       93.17
         42 |          1        0.01       93.18
         45 |          1        0.01       93.19
         57 |          1        0.01       93.20
         67 |          1        0.01       93.21
         81 |          1        0.01       93.22
         89 |        365        3.65       96.87
         90 |        153        1.53       98.40
         91 |        110        1.10       99.50
         93 |          1        0.01       99.51
         94 |         31        0.31       99.82
         95 |          1        0.01       99.83
         97 |          1        0.01       99.84
         99 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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