Frequencies for first 10,000 rows of primcare variable in nhamcsopd2008 dataset :

    is this |
 clinic the |
  patient's |
    primary |
       care |
  provider? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        141        1.41        1.41
    unknown |        567        5.67        7.08
        yes |      2,598       25.98       33.06
         no |      6,694       66.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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