Summary statistics for vldtn_srvy_dt variable in posclia2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
vldtn_srvy~t |      2,054    2.01e+07    35126.74   1.99e+07   2.01e+07

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