Summary statistics for miacc dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     37,107    279736.2    159557.7      10001     560129
        year |     37,107        1998           0       1998       1998
          a1 |     37,107    6.806748    9.947162          0         70
          a2 |     37,107    6.852211    9.967229          0         70
          a3 |     37,107     6.79675    9.937156          0         70
-------------+---------------------------------------------------------
          a4 |     37,107    6.841351    9.975447          0         85
          a5 |     37,107    6.834317    9.948237          0         81
          a6 |     37,107    6.776215    9.920698          0         70
          a7 |     37,107    6.845339    9.991223          0         75
          a8 |     37,107    6.819576    9.905296          0         70
-------------+---------------------------------------------------------
          a9 |     37,107    6.784273    9.968827          0         70
         a10 |     37,107    6.775568    9.923345          0         70

by Jean Roth , jroth@nber.org , 18 Apr 2016