Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 8,510 2821136 1.90e+07 -2.21e+07 4.00e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018