Summary statistics for g_c1thr4_4 variable in snf_rollup2540_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_4 | 12,298 1160740 2457402 -1.54e+07 1.08e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018