Summary statistics for d_4_hos_c12_71 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ho~12_71 |      3,462     2458340     3908957          1   6.12e+07

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