Summary statistics for g_c1thr4_30 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_30 | 1,277 332222.7 4126295 -1.69e+07 1.26e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018