Summary statistics for g_c1thr4_28 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_28 | 1,430 3924796 1.55e+07 -2.18e+07 2.28e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018