Frequencies for first 10,000 rows of proc5r variable in namcs2015 dataset :

    Numeric |
 version of |
   write-in |
  procedure |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,948       99.48       99.48
       1214 |          1        0.01       99.49
       1319 |          1        0.01       99.50
       1621 |          1        0.01       99.51
       3142 |          1        0.01       99.52
       8191 |          1        0.01       99.53
       8619 |          1        0.01       99.54
       8873 |          1        0.01       99.55
       8875 |          4        0.04       99.59
       8908 |         12        0.12       99.71
       8929 |          4        0.04       99.75
       8939 |          3        0.03       99.78
       8959 |          1        0.01       99.79
       9029 |          1        0.01       99.80
       9059 |          4        0.04       99.84
       9139 |          1        0.01       99.85
       9339 |          1        0.01       99.86
       9390 |          1        0.01       99.87
       9501 |          1        0.01       99.88
       9929 |          3        0.03       99.91
       9936 |          1        0.01       99.92
       9939 |          1        0.01       99.93
       9941 |          2        0.02       99.95
       9955 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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