Frequencies for first 10,000 rows of region variable in nhamcsed2004 dataset :

 geographic |
     region |      Freq.     Percent        Cum.
------------+-----------------------------------
  northeast |      2,333       23.33       23.33
    midwest |      1,954       19.54       42.87
      south |      3,862       38.62       81.49
       west |      1,851       18.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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