Summary statistics for a_c6_9910 variable in prds_hosp10_yr2016 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_9910 |          1      -22980           .     -22980     -22980

by Jean Roth , jroth@nber.org , 23 Aug 2018