Summary statistics for g_c1thr4_25 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_25 | 107 -1948019 2.16e+07 -2.23e+08 1837097 by Jean Roth , jroth@nber.org , 17 Feb 2018