Summary statistics for c_1_c7_44 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_44 | 5,537 3.38e+07 1.61e+08 1 4.82e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018