Summary statistics for a7_3_c7_2 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_3_c7_2 | 436 28144.55 67827.82 -246205 547438 by Jean Roth , jroth@nber.org , 3 Sep 2018