Summary statistics for medsx0to992004_2014 dataset :

by Jean Roth , jroth@nber.org , 14 Mar 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    prcdr_cd |          0
        year |     43,692        2009    3.162314       2004       2014
       label |          0
   pri_nrecs |     33,230    2271.149    14080.18          0     358847
pri_nppl_any |     33,216    2128.728    12650.08          0     325017
-------------+---------------------------------------------------------
   sec_nrecs |     34,739    3627.626    25459.75          0     904994
sec_nppl_any |     34,628     3309.67     22269.4          0     730878

by Jean Roth , jroth@nber.org , 14 Mar 2018