Frequencies for first 10,000 rows of divres variable in natl1997 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          3        0.03        0.03
          2 |          3        0.03        0.06
          3 |          3        0.03        0.09
          5 |         65        0.65        0.74
          6 |      9,922       99.22       99.96
          7 |          2        0.02       99.98
          9 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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