Summary statistics for itm_val_num variable in snf_nmrc2540_96_2001_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |  8,484,905    508777.4    6.45e+07  -2.23e+08   5.97e+10

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