Summary statistics for c_1_c6_47 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_47 | 1,453 4469131 9678970 470 1.32e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018