Frequencies for notratedreason_globalratingdesc variable in quality2017 dataset :

   Not Rated Reason Global |
        Rating Description |      Freq.     Percent        Cum.
---------------------------+-----------------------------------
                           |        441       53.13       53.13
New-Ineligible for Scoring |        159       19.16       72.29
                 Not Rated |        230       27.71      100.00
---------------------------+-----------------------------------
                     Total |        830      100.00

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