Summary statistics for primaryid variable in ther2014q1 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    330,603    1.02e+08    5.87e+07   3.72e+07   9.78e+08

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