Frequencies for first 10,000 rows of diagscrn variable in namcs2002 dataset :

  Were diagnostic |
 services ordered |
     or provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |      1,840       18.40       18.40
              Yes |      8,003       80.03       98.43
Entire item blank |        157        1.57      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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