Summary statistics for a_c2_60 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_60 | 2,891 951057.3 2820263 -1458693 5.76e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018