Summary statistics for c_1_c7_56 variable in hosp_rollup2552_96_2003 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_56 | 5,286 5950301 1.23e+07 3 3.51e+08 by Jean Roth , jroth@nber.org , 12 Sep 2018