Summary statistics for g_c1thru4_19 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_19 | 1,241 2.34e+07 7.02e+07 -5259488 1.54e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018