Frequencies for first 10,000 rows of othproc4r variable in namcs2007 dataset :

  procedure |
       #4 - |
    numeric |
     recode |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      9,998       99.98       99.98
       8630 |          1        0.01       99.99
       8939 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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