Frequencies for first 10,000 rows of iv_race variable in mcbsatc2013 dataset :

Race/ethnic |
  ity group |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,447       74.47       74.47
          2 |      1,044       10.44       84.91
          3 |        951        9.51       94.42
          4 |        558        5.58      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016