Frequencies for cred_yrx variable in fmli132 dataset :

   cred_yrx |      Freq.     Percent        Cum.
------------+-----------------------------------
          A |      6,259       92.56       92.56
          C |         73        1.08       93.64
          D |        415        6.14       99.78
          T |         15        0.22      100.00
------------+-----------------------------------
      Total |      6,762      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016