Summary statistics for a_c2_63 variable in snf_rollup2540_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_63 | 3,419 135973.2 841909.5 -2654742 2.49e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018