Summary statistics for c_1_c7_53 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_53 | 4,109 1.13e+07 3.80e+07 5 8.60e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018