Frequencies for first 10,000 rows of digsc22d variable in nhamcsopd2005 dataset :

 diagnostic |
 service #2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,696       96.96       96.96
         20 |          1        0.01       96.97
         75 |         10        0.10       97.07
         86 |          9        0.09       97.16
         89 |        145        1.45       98.61
         90 |         10        0.10       98.71
         91 |         26        0.26       98.97
         93 |          8        0.08       99.05
         94 |         18        0.18       99.23
         95 |         68        0.68       99.91
         99 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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