Summary statistics for c_1_c6_56 variable in hosp_rollup2552_96_2007 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_56 | 6,002 2.51e+07 4.88e+07 3056 1.07e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018