Frequencies for first 10,000 rows of othpr32d variable in nhamcsopd2005 dataset :

procedure 3 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,995       99.95       99.95
         81 |          1        0.01       99.96
         86 |          3        0.03       99.99
         97 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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