Summary statistics for g_c1thr4_9 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_9 | 3,568 336076 1862027 -1.66e+07 5.29e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018