Frequencies for first 10,000 rows of nocap variable in namcs2007 dataset :

       for new |
     patients, |
       accepts |
       private |
 non-capitated |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        273        2.73        2.73
       unknown |        644        6.44        9.17
not applicable |        659        6.59       15.76
           yes |      7,794       77.94       93.70
            no |        630        6.30      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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