Summary statistics for b_1_c0_9 variable in snf_rollup2540_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_9 | 10,981 142247.8 195764.3 -89084 1.19e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018