Frequencies for first 10,000 rows of digsc22d variable in nhamcsopd2008 dataset :

 diagnostic |
 service #2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,558       95.58       95.58
         68 |          1        0.01       95.59
         75 |         13        0.13       95.72
         85 |          1        0.01       95.73
         86 |          3        0.03       95.76
         87 |          7        0.07       95.83
         88 |         20        0.20       96.03
         89 |        172        1.72       97.75
         90 |         12        0.12       97.87
         91 |         15        0.15       98.02
         92 |          5        0.05       98.07
         93 |         10        0.10       98.17
         94 |          7        0.07       98.24
         95 |        168        1.68       99.92
         96 |          2        0.02       99.94
         99 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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