Summary statistics for d_1_c4_21 variable in snf_rollup2540_96_2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_21 |     10,915     12392.7    19808.82          1     897878

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