Summary statistics for c_1_c5_30 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_30 | 818 1.72e+07 3.10e+07 38871 3.07e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018