Summary statistics for c_1_c7_51 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_51 | 2,550 679139.3 3091662 2 1.41e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018