Summary statistics for g_c1thr4_40 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_40 | 2,243 766191.3 3535233 -2.57e+07 5.64e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018