Summary statistics for spch_pthlgst_prtm_cnt variable in pos2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch~rtm_cnt |     38,155    .0346571    .2089582          0      24.29

by Jean Roth , jroth@nber.org , 26 Jan 2016