Summary statistics for c_1_c7_44 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_44 | 5,511 2.12e+07 1.02e+08 9 3.62e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018