Frequencies for first 10,000 rows of pccqoc variable in namcs2008 dataset :

for patient |
       care |
compensatio |
      n, is |
 quality of |
 care taken |
       into |
   account? |      Freq.     Percent        Cum.
------------+-----------------------------------
      blank |         63        0.63        0.63
    unknown |      1,544       15.44       16.07
        yes |      2,842       28.42       44.49
         no |      5,551       55.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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