Summary statistics for g2_1_c2_13 variable in snf_rollup2540_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c2_13 | 144 3333935 1.65e+07 13 1.83e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018