Frequencies for first 10,000 rows of primcare variable in namcs1999 dataset :

are you the |
  patient's |
    primary |
       care |
  physician |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,131       31.31       31.31
          2 |      6,293       62.93       94.24
          3 |        396        3.96       98.20
          4 |        180        1.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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