Summary statistics for a7_3_c5_3 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c5_3 | 4,279 13879.41 27697.94 -85873 818815 by Jean Roth , jroth@nber.org , 3 Sep 2018