Summary statistics for g2_2_c2_15 variable in snf_rollup2540_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_2_c2_15 | 14,044 8680413 7852235 254124 2.28e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018