Summary statistics for b_1_c27_37 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_37 | 5,096 5988794 1.00e+07 67 1.52e+08 by Jean Roth , jroth@nber.org , 7 Sep 2018