Summary statistics for g_c1thru4_7 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_7 | 5,343 2416818 4705291 -1.06e+08 6.51e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018