Summary statistics for g_c1thr4_9 variable in hosp_rollup2552_96_2006 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_9 | 3,077 7946622 4.87e+07 -1.53e+08 1.30e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018