Summary statistics for dsg_drug_seq variable in ther2005q3 dataset :

    Variable |       Obs        Mean    Std. Dev.       Min        Max
-------------+--------------------------------------------------------
dsg_drug_seq |    116612    1.01e+09       95485   1.01e+09   1.01e+09

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