Summary statistics for c_1_c7_44 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_44 | 5,433 4430029 9023319 4 2.83e+08 by Jean Roth , jroth@nber.org , 5 Sep 2018