Summary statistics for a_c2_63 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_63 | 3,249 234568.2 1143307 -5268849 1.90e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018