Summary statistics for g_c1thr4_18 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_18 | 4,946 7190.293 548461.3 -1.64e+07 1.69e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018