Summary statistics for b_1_c27_99 variable in hosp_rollup2552_96_1996 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_99 | 875 1664151 4485690 -1.78e+07 6.91e+07 by Jean Roth , jroth@nber.org , 3 Sep 2018