Summary statistics for a7_1_c3_4 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_1_c3_4 |          7     -623647     2658166   -6241650    1893164

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