Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 5,657 1663985 2742601 -224587 3.86e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018