Summary statistics for c_1_c6_39 variable in hosp_rollup2552_96_2001 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_39 | 3,304 2986229 6463008 1 2.12e+08 by Jean Roth , jroth@nber.org , 9 Sep 2018