Frequencies for lowvolpayadj variable in impact2018 dataset :

 Low-Volume |
    Payment |
 Adjustment |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,368       99.94       99.94
       1.25 |          2        0.06      100.00
------------+-----------------------------------
      Total |      3,370      100.00

by Jean Roth , jroth@nber.org , 30 Aug 2017