Summary statistics for b_1_c27_63 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_63 | 960 2109897 6230960 -170667 1.54e+08 by Jean Roth , jroth@nber.org , 8 Sep 2018