Summary statistics for g_c1thru4_40 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_40 | 1,809 4663131 1.58e+07 -6.84e+07 2.49e+08 by Jean Roth , jroth@nber.org , 26 Oct 2018