Summary statistics for c_1_c6_29 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_29 | 189 1.95e+07 2.57e+07 1 1.70e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018