Summary statistics for c_1_c7_37 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_37 | 4,846 1.33e+07 2.21e+07 1 4.14e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018