Summary statistics for a_c1_9 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c1_9 |      1,964    999484.8     1554909     -18300   1.30e+07

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