Summary statistics for d_1_c4_30 variable in snf_rollup2540_96_2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_30 |     12,432      160667    155054.3          7    2164060

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