Summary statistics for itm_val_num variable in snf_nmrc2540_96_1996_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num |  6,710,855    342710.9     8245352  -1.89e+09   1.80e+10

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