Summary statistics for c_1_c6_29 variable in hosp_rollup2552_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c6_29 | 198 9179159 1.15e+07 1 8.11e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018