Summary statistics for ocptnl_thrpst_prtm_cnt variable in pos1999 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ocptnl~m_cnt |     94,568     .026881    1.353577          0     234.29

by Jean Roth , jroth@nber.org , 17 May 2017