Summary statistics for a_c2_63 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_63 | 3,800 154909.3 828392.4 -4784083 1.76e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018