Summary statistics for primaryid variable in outc2017q2 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    232,479    1.43e+08    9.45e+07   3.89e+07   1.36e+09

by Jean Roth , jroth@nber.org , 8 Feb 2018