Summary statistics for g2_1_c1_13 variable in snf_rollup2540_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c1_13 | 816 1259044 2983461 -226123 2.53e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018