Summary statistics for c_1_c6_55 variable in hosp_rollup2552_96_2002 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_55 | 5,590 1.03e+07 2.27e+07 9 4.71e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018