Summary statistics for c_1_c6_53 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_53 | 4,558 6773114 2.66e+07 1 7.77e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018