Frequencies for first 10,000 rows of othpr22d variable in namcs2007 dataset :

procedure 2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,905       99.05       99.05
         20 |          1        0.01       99.06
         53 |          1        0.01       99.07
         81 |          2        0.02       99.09
         86 |          8        0.08       99.17
         89 |         37        0.37       99.54
         90 |          6        0.06       99.60
         93 |          8        0.08       99.68
         95 |          7        0.07       99.75
         96 |          2        0.02       99.77
         99 |         23        0.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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