Summary statistics for g2_c1_13 variable in hosp_rollup2552_96_1999 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c1_13 | 171 1.18e+07 1.39e+07 139018 9.78e+07 by Jean Roth , jroth@nber.org , 7 Sep 2018