Summary statistics for d_4_hos_c12_6250 variable in prds_hosp10_yr2016 dataset 

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_~12_6250 |          1      147548           .     147548     147548

by Jean Roth , jroth@nber.org , 23 Aug 2018