Frequencies for first 10,000 rows of diagscrn variable in namcs2005 dataset :

  were diagnostic |
 services ordered |
     or provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               No |        705        7.05        7.05
              Yes |      9,230       92.30       99.35
Entire item blank |         65        0.65      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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