Summary statistics for g_c1thr4_39 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_39 | 205 411052.8 1059604 -334553 1.04e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018