Frequencies for first 10,000 rows of divres variable in natl1976 dataset :

Division of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          5        0.05        0.05
          2 |         10        0.10        0.15
          3 |          3        0.03        0.18
          4 |          2        0.02        0.20
          5 |        161        1.61        1.81
          6 |      9,808       98.08       99.89
          7 |          3        0.03       99.92
          8 |          4        0.04       99.96
          9 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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