Summary statistics for dsg_drug_seq variable in ther2006q4 dataset :

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
dsg_drug_seq |    115563    1.01e+09     89781.8   1.01e+09   1.01e+09

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