Summary statistics for ot_astnt_prtm_cnt variable in pos2015 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
ot_astnt_p~t |     38,516    .0479993    .4256114          0      57.14

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