Summary statistics for spch_pthlgst_prtm_cnt variable in pos2006 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch~rtm_cnt |    114,968    .0094069    .1499866          0      28.93

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