Summary statistics for g_c1thru4_40 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_40 | 3,033 4451157 2.95e+07 -1.27e+08 1.44e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018