Summary statistics for a_c1_53 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_53 | 3,771 390635.2 733475.7 -11930 1.72e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018