Frequencies for first 10,000 rows of region variable in namcs2011 dataset :

 Geographic |
     region |      Freq.     Percent        Cum.
------------+-----------------------------------
  Northeast |      1,813       18.13       18.13
    Midwest |      2,790       27.90       46.03
      South |      2,966       29.66       75.69
       West |      2,431       24.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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