Summary statistics for c_1_c7_44 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_44 | 5,539 5770933 2.21e+07 14 9.92e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018