Summary statistics for a7_1_c2_4 variable in prds_hosp10_yr2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a7_1_c2_4 |      2,128     4163732    2.93e+07  -3.09e+07   9.08e+08

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