Summary statistics for g_c1thr4_24 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_24 | 9,330 14140.66 2786022 -1.68e+08 5.38e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018