Summary statistics for c_1_c7_49 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_49 | 4,944 479247 763400.4 23 1.61e+07 by Jean Roth , jroth@nber.org , 5 Sep 2018