Frequencies for first 10,000 rows of othimg13 variable in namcs1996 dataset :

      other |
  imaging - |
   icd-9-cm |
procedure - |
       3dgt |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      9,893       98.93       98.93
        601 |          1        0.01       98.94
        884 |          2        0.02       98.96
        891 |          7        0.07       99.03
        893 |          6        0.06       99.09
        894 |         18        0.18       99.27
        895 |         10        0.10       99.37
        896 |          2        0.02       99.39
        909 |         10        0.10       99.49
        912 |          2        0.02       99.51
        914 |         13        0.13       99.64
        915 |          1        0.01       99.65
        916 |          3        0.03       99.68
        919 |          2        0.02       99.70
        920 |          1        0.01       99.71
        921 |          1        0.01       99.72
        951 |         15        0.15       99.87
        952 |          1        0.01       99.88
        954 |          6        0.06       99.94
        998 |          1        0.01       99.95
        999 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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