Summary statistics for form_1557_test_vol_cnt variable in posclia2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
form_1557_~t |    436,513    3367.372    103513.5          0   2.71e+07

by Jean Roth , jroth@nber.org , 26 Jan 2016