Summary statistics for itm_val_num variable in snf_nmrc2540_96_2000_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |  9,467,180    323640.2     2230974  -1.00e+08   1.31e+09

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