Summary statistics for b_1_c22_25 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c22_25 | 1,005 1922575 3657127 14 5.68e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018