Summary statistics for b_1_c27_42 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_42 | 1,040 1648037 2121496 97 2.49e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018