Frequencies for first 10,000 rows of divres variable in natl1972 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
          1 |          1        0.01        0.02
          2 |          3        0.03        0.05
          3 |          4        0.04        0.09
          4 |          3        0.03        0.12
          5 |        163        1.63        1.75
          6 |      9,814       98.14       99.89
          7 |          8        0.08       99.97
          8 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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