Summary statistics for c_1_c6_49 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_49 | 5,323 9214305 1.88e+07 1 2.70e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018