Summary statistics for c_1_c5_30 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_30 | 669 1.15e+07 2.03e+07 409 2.47e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018