Frequencies for first 10,000 rows of proc42d variable in namcs2014 dataset :

   Write-in |
  procedure |
   code - 2 |
      digit |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,847       98.47       98.47
         08 |          1        0.01       98.48
         10 |          1        0.01       98.49
         11 |          1        0.01       98.50
         12 |          5        0.05       98.55
         13 |          8        0.08       98.63
         48 |          1        0.01       98.64
         57 |          1        0.01       98.65
         88 |          3        0.03       98.68
         89 |         68        0.68       99.36
         90 |         13        0.13       99.49
         91 |          4        0.04       99.53
         93 |          6        0.06       99.59
         94 |          2        0.02       99.61
         95 |          5        0.05       99.66
         99 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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