Summary statistics for a_c6_9920 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_9920 |          1     -783149           .    -783149    -783149

by Jean Roth , jroth@nber.org , 24 Aug 2018