Summary statistics for spch_pthlgst_cntrct_cnt variable in pos2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch_~ct_cnt |     37,966    .3125307    7.486885          0     999.99

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