Frequencies for first 10,000 rows of digsc23d variable in nhamcsopd2005 dataset :

 diagnostic |
 service #2 |
  - 3 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,696       96.96       96.96
        200 |          1        0.01       96.97
        753 |         10        0.10       97.07
        861 |          9        0.09       97.16
        891 |         12        0.12       97.28
        893 |        128        1.28       98.56
        894 |          1        0.01       98.57
        897 |          4        0.04       98.61
        903 |          8        0.08       98.69
        909 |          2        0.02       98.71
        913 |         18        0.18       98.89
        914 |          3        0.03       98.92
        916 |          1        0.01       98.93
        919 |          4        0.04       98.97
        930 |          1        0.01       98.98
        939 |          7        0.07       99.05
        940 |          1        0.01       99.06
        941 |         16        0.16       99.22
        944 |          1        0.01       99.23
        950 |         52        0.52       99.75
        951 |          1        0.01       99.76
        954 |         15        0.15       99.91
        992 |          2        0.02       99.93
        993 |          1        0.01       99.94
        994 |          4        0.04       99.98
        999 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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