Summary statistics for NRS_AIDE_PRTM_CNT variable in pos2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
NRS_AIDE_P~T |     37,813    4.424842    17.45615          0       1118

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