Frequencies for first 10,000 rows of ormoth variable in natl1989 dataset :

   Hispanic |
  Origin of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,939       99.39       99.39
          1 |         17        0.17       99.56
          2 |          7        0.07       99.63
          3 |          1        0.01       99.64
          4 |          4        0.04       99.68
          5 |         17        0.17       99.85
          9 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016