Frequencies for first 10,000 rows of primcare variable in namcs2001 dataset :

are you the |
  patient's |
    primary |
       care |
 physician? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        157        1.57        1.57
          1 |      2,911       29.11       30.68
          2 |      6,637       66.37       97.05
          3 |        295        2.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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