Summary statistics for c_1_c7_44 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_44 | 5,518 1.66e+07 6.76e+07 1 2.09e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018