Summary statistics for c_1_c5_30 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c5_30 | 666 9589119 1.67e+07 25095 2.17e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018