Summary statistics for c_1_c6_50 variable in hosp_rollup2552_96_2004 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_50 | 5,665 1924516 3421832 1 7.13e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018