Summary statistics for form_1557_test_vol_cnt variable in posclia2018 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
form_1557_~t |    504,466    3726.503    237112.2          0   1.31e+08

by Jean Roth , jroth@nber.org , 15 Feb 2019