Summary statistics for PT_ASTNT_CNTRCT_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
PT_ASTNT_C~T |     37,813    .3576905    1.899253          0     319.33

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