Summary statistics for primaryid variable in ther2014q3 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   primaryid |    271,119    1.08e+08    7.22e+07   3.79e+07   1.03e+09

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