Summary statistics for g2_1_c2_13 variable in snf_rollup2540_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c2_13 | 106 6778520 2.93e+07 40 2.55e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018