Summary statistics for g_c1thru4_29 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_29 | 918 7223838 3.22e+07 -6.81e+07 4.97e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018