Frequencies for notratedreason_enrolleeexperienc variable in quality2017 dataset :

  Not Rated |
     Reason |
   Enrollee |
 Experience |
     Rating |
Description |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        436       52.53       52.53
  Not Rated |        394       47.47      100.00
------------+-----------------------------------
      Total |        830      100.00

by Jean Roth , jroth@nber.org , 28 Jun 2017