Summary statistics for spch_pthlgst_cntrct_cnt variable in pos2017 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch_~ct_cnt |     38,839    .3286946    7.368207          0     999.99

by Jean Roth , jroth@nber.org , 9 Jan 2018