Summary statistics for itm_val_num variable in snf_nmrc2540_96_1995_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |    811,717    417590.3    1.27e+07  -1.52e+09   4.90e+09

by Jean Roth , jroth@nber.org , 17 Feb 2018