Summary statistics for g_c1thru4_56 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_56 | 9 6.55e+07 1.22e+08 174272 3.07e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018