Frequencies for record_6 variable in linkco1995us_unl dataset :

Record-Axis |
  Condition |
Code 6 (ICD |
       10th |
  Revision) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        696       98.31       98.31
       7566 |          1        0.14       98.45
       7581 |          1        0.14       98.59
       7702 |          1        0.14       98.73
       7703 |          1        0.14       98.87
       7721 |          1        0.14       99.01
       7790 |          1        0.14       99.15
       7798 |          2        0.28       99.44
       7834 |          1        0.14       99.58
       7991 |          3        0.42      100.00
------------+-----------------------------------
      Total |        708      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015