Frequencies for first 10,000 rows of divres variable in natl1978 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
          2 |          2        0.02        0.03
          3 |          4        0.04        0.07
          4 |          1        0.01        0.08
          5 |        126        1.26        1.34
          6 |      9,863       98.63       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