Summary statistics for g2_c2_19 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_19 | 2,192 2712029 5641765 -2040 1.19e+08 by Jean Roth , jroth@nber.org , 7 Sep 2018