Summary statistics for g2_c2_22 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g2_c2_22 | 15 9521563 1.43e+07 1857 4.50e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018