Frequencies for first 10,000 rows of ethnic variable in morg15 dataset :

  Ethnicity |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,036       10.36       10.36
          2 |        130        1.30       11.66
          3 |         97        0.97       12.63
          4 |          7        0.07       12.70
          5 |         92        0.92       13.62
          6 |         87        0.87       14.49
          7 |         88        0.88       15.37
          8 |         91        0.91       16.28
          . |      8,372       83.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Mar 2017