Summary statistics for PT_ASTNT_FLTM_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
PT_ASTNT_F~T |     37,813    .2965678    1.403944          0     114.29

by Jean Roth , jroth@nber.org , 19 Apr 2019