Summary statistics for itm_val_num variable in snf_nmrc2540_10_2014_long datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
 itm_val_num | 14,621,283      679218     5966105  -6.68e+09   1.03e+10

by Jean Roth , jroth@nber.org , 19 Apr 2018