Frequencies for first 10,000 rows of passtot variable in psfsnf201207 dataset :

       Pass |
    Through |
 Amount for |
      Total |
  Including |
      Misc. |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,995       99.95       99.95
         11 |          1        0.01       99.96
         31 |          1        0.01       99.97
        156 |          1        0.01       99.98
        186 |          1        0.01       99.99
        215 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018