Summary statistics for g_c1thru4_25 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_25 | 1,032 7267812 2.91e+07 -1.22e+07 7.08e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018