Summary statistics for a7_1_c1_6 variable in prds_hosp10_yr2013 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c1_6 | 5,709 4.53e+07 8.59e+07 1 1.34e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018