Summary statistics for outc2009q1 dataset :

by Jean Roth , jroth@nber.org , 18 Dec 2015

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
   primaryid |    109875     6083487    32613.03    5909980    6253112
    outc_cod |         0

by Jean Roth , jroth@nber.org , 18 Dec 2015