Summary statistics for a_c2_96 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_96 | 1,312 893150.2 8810550 -1676423 2.67e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018