Frequencies for first 10,000 rows of region variable in nhamcsed2003 dataset :

 geographic |
     region |      Freq.     Percent        Cum.
------------+-----------------------------------
  northeast |      2,002       20.02       20.02
    midwest |      2,496       24.96       44.98
      south |      3,291       32.91       77.89
       west |      2,211       22.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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