Frequencies for first 10,000 rows of pbamorer variable in nhamcsed2009 dataset :

percent pop |
w/bachelor' |
s degree or |
  higher in |
  patient's |
   zip code |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |        715        7.15        7.15
          1 |      2,772       27.72       34.87
          2 |      2,106       21.06       55.93
          3 |      2,237       22.37       78.30
          4 |      2,170       21.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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