Summary statistics for a_c6_9910 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_9910 |          2      -21029    28393.17     -41106       -952

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