Summary statistics for g_c1thru4_12 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_12 | 1,593 4876291 1.76e+07 1 4.60e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018