Summary statistics for d_1_c4_25 variable in snf_rollup2540_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_25 |     12,428     4010122    4.34e+08         54   4.83e+10

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