Summary statistics for g2_1_c2_13 variable in snf_rollup2540_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c2_13 | 88 6572281 3.25e+07 411 2.85e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018