Summary statistics for spch_pthlgst_cntrct_cnt variable in pos2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch_~ct_cnt |     38,516    .3460803    8.208819          0     999.99

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