Frequencies for first 10,000 rows of primcare variable in namcs2003 dataset :

are you the |
  patient's |
    primary |
       care |
 physician? |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         76        0.76        0.76
          1 |      3,122       31.22       31.98
          2 |      6,532       65.32       97.30
          3 |        270        2.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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