Frequencies for first 10,000 rows of region variable in namcs2001 dataset :

 geographic |
     region |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,872       28.72       28.72
          2 |      2,484       24.84       53.56
          3 |      2,951       29.51       83.07
          4 |      1,693       16.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016