Summary statistics for partd0to992006_2013 dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     drug_id |          0
        year |     15,464      2009.5    2.291362       2006       2013
       label |          0
       nrecs |     14,552    399288.3     1615781          0   2.55e+07
    nppl_any |     14,552     88877.7      316622          0    4975940

by Jean Roth , jroth@nber.org , 14 Mar 2018