Frequencies for first 10,000 rows of othpr22d variable in nhamcsopd2005 dataset :

procedure 2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,891       98.91       98.91
         03 |          1        0.01       98.92
         07 |          1        0.01       98.93
         11 |          1        0.01       98.94
         13 |         18        0.18       99.12
         20 |          3        0.03       99.15
         21 |          1        0.01       99.16
         22 |          1        0.01       99.17
         23 |          1        0.01       99.18
         40 |          1        0.01       99.19
         57 |          1        0.01       99.20
         59 |          1        0.01       99.21
         65 |          1        0.01       99.22
         70 |          1        0.01       99.23
         73 |          1        0.01       99.24
         79 |          1        0.01       99.25
         80 |          1        0.01       99.26
         81 |          1        0.01       99.27
         86 |         23        0.23       99.50
         88 |          1        0.01       99.51
         89 |          2        0.02       99.53
         93 |          7        0.07       99.60
         95 |          2        0.02       99.62
         97 |          1        0.01       99.63
         99 |         37        0.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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