Frequencies for first 10,000 rows of proc42d variable in namcs2015 dataset :

   Write-in |
  procedure |
   code - 2 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,782       97.82       97.82
         00 |          1        0.01       97.83
         12 |          4        0.04       97.87
         13 |          2        0.02       97.89
         14 |          1        0.01       97.90
         19 |          1        0.01       97.91
         21 |          1        0.01       97.92
         22 |          2        0.02       97.94
         28 |          1        0.01       97.95
         31 |          2        0.02       97.97
         38 |          2        0.02       97.99
         39 |          1        0.01       98.00
         56 |          1        0.01       98.01
         57 |          2        0.02       98.03
         69 |          1        0.01       98.04
         81 |          2        0.02       98.06
         85 |          1        0.01       98.07
         87 |          1        0.01       98.08
         88 |         24        0.24       98.32
         89 |         59        0.59       98.91
         90 |         12        0.12       99.03
         91 |          3        0.03       99.06
         93 |          1        0.01       99.07
         94 |         59        0.59       99.66
         95 |          2        0.02       99.68
         96 |          2        0.02       99.70
         99 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017