Summary statistics for b_1_c21_103 variable in hosp_rollup2552_96_2005 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c21_103 | 229 1732503 1990897 -1445261 1.26e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018