Summary statistics for b_1_c27_39 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_39 | 3,309 1999040 2850902 1 4.45e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018