Summary statistics for b_1_c22_37 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c22_37 | 772 596668.5 906226.3 34 1.04e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018