Summary statistics for g2_2_c2_15 variable in snf_rollup2540_96_2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_2_c2_15 | 1,803 6620207 5486085 135172 5.60e+07 by Jean Roth , jroth@nber.org , 17 Feb 2018