Summary statistics for c_1_c7_63 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_63 | 787 6625375 2.33e+07 1 3.53e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018