Summary statistics for g_c1thr4_28 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_28 | 1,488 2834730 1.48e+07 -1.21e+07 4.10e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018