Frequencies for first 10,000 rows of primcare variable in namcs2004 dataset :

are you the |
  patient's |
    primary |
       care |
 physician? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         78        0.78        0.78
          1 |      2,944       29.44       30.22
          2 |      6,668       66.68       96.90
          3 |        310        3.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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