Summary statistics for primaryid variable in reac2017q1 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,042,278    1.55e+08    1.54e+08   3.88e+07   1.33e+09

by Jean Roth , jroth@nber.org , 18 Sep 2017