Frequencies for first 10,000 rows of divres variable in natl1987 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
          3 |          1        0.01        0.02
          5 |        109        1.09        1.11
          6 |      9,886       98.86       99.97
          7 |          2        0.02       99.99
          8 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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