Frequencies for first 10,000 rows of esum variable in namcs2011 dataset :

   Does your practice have a |
     computerized system for |
     providing patients with |
                      clinic |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         33        0.33        0.33
                     Unknown |        152        1.52        1.85
                         Yes |      4,565       45.65       47.50
                          No |      4,697       46.97       94.47
Yes, but turned off/not used |        553        5.53      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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