Summary statistics for a_c1_91 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_91 |      4,568     3400806     4530802      -4909   6.44e+07

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