Summary statistics for b_3_c27_97 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_3_c27_97 | 652 1024906 6006624 -99008 1.20e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018