Summary statistics for g_c1thr4_17 variable in snf_rollup2540_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_17 | 5,779 553965.3 2103446 -45924 7.10e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018