Frequencies for ref_race variable in fmli132 dataset :

   ref_race |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      5,366       79.36       79.36
          2 |        874       12.93       92.28
          3 |         36        0.53       92.81
          4 |        367        5.43       98.24
          5 |         40        0.59       98.83
          6 |         79        1.17      100.00
------------+-----------------------------------
      Total |      6,762      100.00

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