Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 6,098 2.82e+07 5.54e+07 358 1.12e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018