Frequencies for first 10,000 rows of proc52d variable in namcs2014 dataset :

   Write-in |
  procedure |
   code - 2 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,966       99.66       99.66
         03 |          1        0.01       99.67
         13 |          4        0.04       99.71
         46 |          1        0.01       99.72
         88 |          1        0.01       99.73
         89 |          3        0.03       99.76
         90 |          3        0.03       99.79
         94 |          2        0.02       99.81
         95 |          8        0.08       99.89
         99 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017