Summary statistics for c_1_c5_37 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_37 | 4,641 1.78e+07 3.84e+07 14 7.03e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018