Summary statistics for d_1_c4_21 variable in snf_rollup2540_96_1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_21 |      2,502    8592.702    14177.66          1     323685

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