Summary statistics for g2_1_c2_13 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_1_c2_13 | 81 6234429 2.43e+07 75 1.89e+08 by Jean Roth , jroth@nber.org , 17 Feb 2018