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

for patient |
       care |
compensatio |
      n, is |
   practice |
  profiling |
 taken into |
   account? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |        182        1.82        1.82
    unknown |      1,911       19.11       20.93
        yes |        885        8.85       29.78
         no |      7,022       70.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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