Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 7,493 651076.1 3163076 -2.20e+07 9.49e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018