Summary statistics for a_c2_2 variable in snf_rollup2540_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_2 | 7,066 75444.81 236409.1 -88794 1.71e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018