Summary statistics for g_c1thr4_18 variable in snf_rollup2540_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 5,560 286075.2 1490498 -1124268 4.00e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018