Summary statistics for b_1_c27_30 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_30 | 488 1.77e+07 3.33e+07 1628 3.15e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018