Frequencies for first 10,000 rows of divres variable in natl1986 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          2        0.02        0.02
          3 |          2        0.02        0.04
          4 |          1        0.01        0.05
          5 |        104        1.04        1.09
          6 |      9,889       98.89       99.98
          7 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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