Summary statistics for primaryid variable in rpsr2014q1 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |     37,925    9.97e+07    1.01e+07   3.77e+07   9.67e+08

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