Summary statistics for b_1_c22_22 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c22_22 | 1,139 4482933 7604992 -38742 7.26e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018