Summary statistics for ocptnl_thrpst_prtm_cnt variable in pos1997 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ocptnl~m_cnt |     89,140    .0210118     1.09804          0     248.57

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