Summary statistics for c_1_c5_40 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_40 | 3,752 629440.8 1466963 42 3.14e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018