Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 7,355 750349.4 4409799 -2.17e+07 1.78e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018