Summary statistics for g_c1thr4_12 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_12 | 6,196 403262.8 1284024 -204961 5.13e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018