Summary statistics for a_c2_5 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_5 | 5,673 4389784 8554182 -2.75e+07 1.66e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018