Summary statistics for g_c1thr4_20 variable in hosp_rollup2552_96_2006 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_20 | 939 6887540 3.58e+07 -1.09e+08 8.94e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018