Summary statistics for a7_3_c5_3 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c5_3 | 4,376 15310.51 33780.36 -54019 1015506 by Jean Roth , jroth@nber.org , 5 Sep 2018