Summary statistics for DNTST_CNTRCT_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
DNTST_CNTR~T |     37,813    .0533314    5.146262          0     999.99

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