Frequencies for first 10,000 rows of othpr43d variable in nhamcsopd2008 dataset :

procedure 4 |
  - 3 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,995       99.95       99.95
        222 |          1        0.01       99.96
        893 |          1        0.01       99.97
        895 |          1        0.01       99.98
        903 |          1        0.01       99.99
        950 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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