Frequencies for first 10,000 rows of region variable in namcs2010 dataset :

 geographic |
     region |      Freq.     Percent        Cum.
------------+-----------------------------------
  northeast |      1,734       17.34       17.34
    midwest |      2,760       27.60       44.94
      south |      2,864       28.64       73.58
       west |      2,642       26.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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