Summary statistics for a_c2_37 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c2_37 | 5,144 8336021 2.06e+07 -68780 4.02e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018