Summary statistics for g_c1thru4_37 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_37 | 5,775 7324785 1.92e+07 -2.89e+07 6.44e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018