Frequencies for first 10,000 rows of ormoth variable in natl1990 dataset :

   Hispanic |
  Origin of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,928       99.28       99.28
          1 |         24        0.24       99.52
          2 |         15        0.15       99.67
          3 |          1        0.01       99.68
          4 |          7        0.07       99.75
          5 |         15        0.15       99.90
          9 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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