Summary statistics for c_1_c5_44 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_44 | 5,469 1.84e+07 7.13e+07 3 1.48e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018