Summary statistics for g_c1thr4_18 variable in snf_rollup2540_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 4,946 101357.7 594417.3 -1.78e+07 1.83e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018