Summary statistics for a_c2_11 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_11 | 6,023 719432.7 985778.5 -325145 1.38e+07 by Jean Roth , jroth@nber.org , 12 Sep 2018