Summary statistics for pspp2013_60 dataset :

by Jean Roth , jroth@nber.org , 12 Feb 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        npi1 |          0
        npi2 |          0
   paircount | 75,144,583    190.3013    732.8251         11     465358
   benecount | 75,144,583    41.48336    100.0231         11      88474
samedaycount | 75,144,583    14.47949    135.2014          0     277845
-------------+---------------------------------------------------------
        year | 75,144,583        2013           0       2013       2013
        days | 75,144,583          60           0         60         60
     begdate | 75,144,583       19359           0      19359      19359
     enddate | 75,144,583       19783           0      19783      19783

by Jean Roth , jroth@nber.org , 12 Feb 2018