Summary statistics for g_c1thr4_30 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_30 | 1,387 472766.6 5534558 -1.57e+07 1.89e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018