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

   Does your practice have a |
     computerized system for |
  viewing data on quality of |
                         car |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         40        0.40        0.40
                     Unknown |        813        8.13        8.53
                         Yes |      4,404       44.04       52.57
                          No |      4,354       43.54       96.11
Yes, but turned off/not used |        389        3.89      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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