Summary statistics for primaryid variable in reac2018q4 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |  1,250,978    1.95e+08    2.16e+08   3.67e+07   1.56e+09

by Jean Roth , jroth@nber.org , 7 Mar 2019