Summary statistics for spch_pthlgst_cntrct_cnt variable in pos2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch_~ct_cnt |    102,269    .0657533    4.512856          0     999.99

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