Summary statistics for g_c1thru4_19 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_19 | 3,434 2.26e+07 6.71e+07 -2069697 1.78e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018