Summary statistics for primaryid variable in rpsr2013q3 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |     25,007    9.44e+07    1.04e+07   3.44e+07   8.19e+08

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