Summary statistics for g2_c2_22 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_22 | 13 9113674 1.26e+07 19555 3.85e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018