Summary statistics for primaryid variable in reac2015q2 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    845,435    1.23e+08    1.07e+08   3.64e+07   1.11e+09

by Jean Roth , jroth@nber.org , 6 Apr 2017