Summary statistics for c_1_c5_37 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_37 | 4,820 6208278 1.02e+07 546 1.53e+08 by Jean Roth , jroth@nber.org , 7 Sep 2018