Frequencies for first 10,000 rows of regnres variable in natl1988 dataset :

  Region of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          3        0.03        0.03
          2 |          1        0.01        0.04
          3 |      9,994       99.94       99.98
          4 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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