Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 5,976 1.95e+07 3.69e+07 370 7.38e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018