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

If reporting to immunization |
     registries, are they in |
 standards specified by Mean |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                     Unknown |        369        3.69        3.69
              Not applicable |      7,068       70.68       74.37
         Yes, used routinely |      2,053       20.53       94.90
 Yes, but NOT used routinely |        229        2.29       97.19
Yes, but turned off/not used |         64        0.64       97.83
                          No |        217        2.17      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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