Frequencies for first 10,000 rows of othpr32d variable in nhamcsopd2006 dataset :

procedure 3 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,989       99.89       99.89
         45 |          1        0.01       99.90
         54 |          1        0.01       99.91
         56 |          1        0.01       99.92
         57 |          1        0.01       99.93
         58 |          2        0.02       99.95
         81 |          2        0.02       99.97
         86 |          2        0.02       99.99
         96 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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