Summary statistics for c_1_c7_37 variable in hosp_rollup2552_96_2000 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_37 | 4,867 7396686 1.20e+07 1 2.07e+08 by Jean Roth , jroth@nber.org , 8 Sep 2018