Frequencies for first 10,000 rows of othpr22d variable in namcs2005 dataset :

procedure 2 |
  - 2 digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         00 |      9,914       99.14       99.14
         03 |          3        0.03       99.17
         20 |          1        0.01       99.18
         81 |          3        0.03       99.21
         86 |          8        0.08       99.29
         89 |          2        0.02       99.31
         93 |          5        0.05       99.36
         96 |          6        0.06       99.42
         97 |          1        0.01       99.43
         99 |         57        0.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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