Summary statistics for g_c1thr4_49 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_49 | 8,647 4186187 1.42e+07 -1.91e+07 8.58e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018