Summary statistics for a7_1_c1_1 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c1_1 | 4,603 4181083 1.22e+07 -19042 4.80e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018