Frequencies for first 10,000 rows of pps_waiver variable in psfhos201504 dataset :

 PPS Waiver |
  Indicator |
     (Y=Not |
      Under |
PPS;N=Under |
       PPS) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,011       80.11       80.11
          0 |         10        0.10       80.21
          B |          4        0.04       80.25
          M |          4        0.04       80.29
          N |      1,253       12.53       92.82
          V |          2        0.02       92.84
          Y |        716        7.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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