Frequencies for first 10,000 rows of eordere variable in nhamcsed2015 dataset :

  If computerized capability |
 for ordering lab tests, are |
   orders sent electronicall |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         57        0.57        0.57
         Yes, used routinely |      9,723       97.23       97.80
 Yes, but NOT used routinely |        213        2.13       99.93
                          No |          7        0.07      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017