Summary statistics for g_c1thru4_31 variable in prds_hosp10_yr2017 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_31 | 1,509 9.68e+07 4.32e+08 -6.18e+07 6.06e+09 by Jean Roth , jroth@nber.org , 26 Oct 2018