Summary statistics for a_c2_50 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_50 | 5,506 238716.7 443892.9 -912481 1.08e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018