Summary statistics for c_1_c7_56 variable in hosp_rollup2552_96_2005 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_56 | 5,273 8023253 1.76e+07 3 4.80e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018