Summary statistics for op2011apc30nat dataset :

by Jean Roth , jroth@nber.org , 16 Mar 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         apc |          0
      opserv |         30    710521.8     1532695        911    8128255
     charges |         30    1393.524    1503.424    73.4674   6255.168
    payments |         30    295.1719     322.794   16.11314   1462.243
     apcdesc |          0

by Jean Roth , jroth@nber.org , 16 Mar 2016