Frequencies for first 10,000 rows of evitalr variable in namcs2012 dataset :

          Does practice have |
    computerized capability: |
recording and charting vital |
                     signs - |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        120        1.20        1.20
                         Yes |      6,534       65.34       66.54
                          No |      3,127       31.27       97.81
Yes, but turned off/not used |        219        2.19      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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