Summary statistics for c_1_c7_50 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_50 | 5,248 2794134 4916254 7 9.23e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018