Summary statistics for g_c1thr4_15 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_15 | 7,533 5470071 1.11e+07 -9262 3.16e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018