Summary statistics for g_c1thr4_19 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_19 | 5,110 643900.5 2128859 -380165 7.34e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018