Frequencies for first 10,000 rows of raceun variable in namcs2015 dataset :

    Patient |
     race - |
  unimputed |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |      2,616       26.16       26.16
          1 |      6,233       62.33       88.49
          2 |        672        6.72       95.21
          3 |        424        4.24       99.45
          4 |         13        0.13       99.58
          5 |         25        0.25       99.83
          6 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017