Summary statistics for g_c1thru4_19 variable in prds_hosp10_yr2016 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_19 | 3,360 2.71e+07 8.49e+07 -6.64e+07 2.32e+09 by Jean Roth , jroth@nber.org , 23 Aug 2018