Summary statistics for spch_pthlgst_prtm_cnt variable in pos2009 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch~rtm_cnt |    122,973    .0098119    .1150894          0      24.29

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