Summary statistics for a_c2_54 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_54 | 1,967 116835.5 528648.8 -8932 1.65e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018