Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 3,868 2.64e+07 5.12e+07 839 7.79e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018