Summary statistics for a_c1_5 variable in prds_hosp10_yr2015 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_5 | 6,157 6461532 1.54e+07 -1.26e+07 4.14e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018