Summary statistics for g_c1thr4_47 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_47 | 2,814 2902378 2.04e+07 -1.52e+07 8.51e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018