Summary statistics for b_1_c27_99 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- b_1_c27_99 | 908 3186226 9218093 -69035 1.03e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018