Summary statistics for c_1_c6_53 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_53 | 4,267 2.61e+07 9.24e+07 9 1.86e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018