Summary statistics for g3_c1_24 variable in hosp_rollup2552_96_1997 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g3_c1_24 | 5,776 1.84e+07 1.17e+09 -4.00e+07 8.93e+10 by Jean Roth , jroth@nber.org , 5 Sep 2018