Frequencies for first 10,000 rows of divres variable in natl1973 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.01        0.01
          2 |          3        0.03        0.04
          3 |          7        0.07        0.11
          4 |          7        0.07        0.18
          5 |        167        1.67        1.85
          6 |      9,805       98.05       99.90
          7 |          3        0.03       99.93
          8 |          2        0.02       99.95
          9 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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