Frequencies for first 10,000 rows of passorg variable in psfipf dataset :

       Pass |
    Through |
 Amount for |
      Organ |
Acquisition |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,998       99.98       99.98
       1000 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 Sep 2018