Frequencies for first 10,000 rows of diagscrn variable in namcs2003 dataset :

  were diagnostic |
 services ordered |
     or provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      1,735       17.35       17.35
              Yes |      8,119       81.19       98.54
Entire item blank |        146        1.46      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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