Frequencies for first 10,000 rows of digsc12d variable in nhamcsopd2006 dataset :

 diagnostic |
 service #1 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      8,936       89.36       89.36
         03 |         16        0.16       89.52
         04 |          1        0.01       89.53
         22 |          1        0.01       89.54
         39 |          1        0.01       89.55
         42 |          1        0.01       89.56
         51 |          1        0.01       89.57
         53 |          1        0.01       89.58
         57 |          1        0.01       89.59
         67 |          3        0.03       89.62
         69 |         12        0.12       89.74
         75 |         58        0.58       90.32
         81 |          3        0.03       90.35
         83 |          1        0.01       90.36
         86 |         58        0.58       90.94
         87 |          7        0.07       91.01
         88 |          4        0.04       91.05
         89 |        328        3.28       94.33
         90 |        128        1.28       95.61
         91 |        238        2.38       97.99
         92 |          6        0.06       98.05
         93 |         33        0.33       98.38
         94 |         24        0.24       98.62
         95 |         97        0.97       99.59
         96 |          1        0.01       99.60
         97 |          1        0.01       99.61
         99 |         39        0.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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