Frequencies for first 10,000 rows of primcare variable in nhamcsopd2000 dataset :

are you the |
  patient's |
    primary |
       care |
 physician? |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,825       28.25       28.25
          2 |      5,388       53.88       82.13
          3 |      1,693       16.93       99.06
          4 |         94        0.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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