Frequencies for first 10,000 rows of ormoth variable in natl1991 dataset :

   Hispanic |
  Origin of |
     Mother |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,933       99.33       99.33
          1 |         33        0.33       99.66
          2 |         19        0.19       99.85
          3 |          2        0.02       99.87
          4 |          6        0.06       99.93
          5 |          3        0.03       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015