Summary statistics for d_1_c4_30 variable in snf_rollup2540_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   d_1_c4_30 |      1,723    149708.3      189020         11    5380191

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