Frequencies for first 10,000 rows of othpr22d variable in namcs2008 dataset :

procedure 2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,920       99.20       99.20
         04 |          1        0.01       99.21
         09 |          1        0.01       99.22
         44 |          1        0.01       99.23
         81 |          2        0.02       99.25
         83 |          1        0.01       99.26
         89 |         32        0.32       99.58
         90 |          1        0.01       99.59
         93 |          5        0.05       99.64
         94 |          1        0.01       99.65
         95 |          2        0.02       99.67
         97 |          1        0.01       99.68
         98 |          1        0.01       99.69
         99 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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