Frequencies for first 10,000 rows of pps_waiver variable in psfhos201401 dataset :

 PPS Waiver |
  Indicator |
     (Y=Not |
      Under |
PPS;N=Under |
       PPS) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,844       78.44       78.44
          0 |         10        0.10       78.54
          B |          4        0.04       78.58
          M |          4        0.04       78.62
          N |      1,418       14.18       92.80
          V |          2        0.02       92.82
          Y |        718        7.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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