Summary statistics for g3_c1_24 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g3_c1_24 | 5,919 7025850 2.96e+07 -1.45e+08 6.93e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018