Frequencies for first 10,000 rows of digsc12d variable in nhamcsopd2002 dataset :

diag/screen |
    service |
write-in #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      8,934       89.34       89.34
         11 |          1        0.01       89.35
         31 |          1        0.01       89.36
         38 |          7        0.07       89.43
         42 |          1        0.01       89.44
         69 |          2        0.02       89.46
         75 |         66        0.66       90.12
         80 |          1        0.01       90.13
         81 |          3        0.03       90.16
         86 |         59        0.59       90.75
         88 |        135        1.35       92.10
         89 |        319        3.19       95.29
         90 |         99        0.99       96.28
         91 |         44        0.44       96.72
         92 |          6        0.06       96.78
         93 |         51        0.51       97.29
         94 |         30        0.30       97.59
         95 |        131        1.31       98.90
         96 |          6        0.06       98.96
         97 |          2        0.02       98.98
         99 |        102        1.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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