Summary statistics for a_c2_5 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_5 | 5,701 3948152 7875250 -2.55e+07 1.62e+08 by Jean Roth , jroth@nber.org , 8 Sep 2018