Summary statistics for a_c6_4501 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_4501 |          2    -4770658     6746630   -9541245        -70

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