Frequencies for first 10,000 rows of digsc12d variable in nhamcsopd2001 dataset :

diag/screen |
    service |
write-in #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      8,264       82.64       82.64
         03 |          5        0.05       82.69
         38 |          4        0.04       82.73
         42 |          1        0.01       82.74
         45 |          1        0.01       82.75
         59 |          1        0.01       82.76
         70 |          1        0.01       82.77
         75 |         85        0.85       83.62
         81 |          3        0.03       83.65
         86 |         89        0.89       84.54
         87 |          5        0.05       84.59
         88 |         38        0.38       84.97
         89 |        606        6.06       91.03
         90 |         51        0.51       91.54
         91 |         19        0.19       91.73
         92 |          2        0.02       91.75
         93 |        171        1.71       93.46
         94 |         53        0.53       93.99
         95 |        226        2.26       96.25
         96 |         21        0.21       96.46
         97 |          7        0.07       96.53
         99 |        347        3.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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