Summary statistics for b_1_c23_31 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c23_31 | 261 333500.3 862303.7 15 1.21e+07 by Jean Roth , jroth@nber.org , 10 Sep 2018