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

     If computerized patient |
     history and demographic |
       info, does it include |
                  patient pr |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |         50        0.50        0.50
              Not applicable |      1,974       19.74       20.24
                         Yes |      6,861       68.61       88.85
                          No |      1,053       10.53       99.38
Yes, but turned off/not used |         62        0.62      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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