Summary statistics for b_1_c0_4 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c0_4 | 5,508 2089454 3518533 -686278 5.34e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018