Summary statistics for c_1_c5_55 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_55 | 4,999 6041972 1.19e+07 3 1.31e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018