Summary statistics for midrvacc dataset :

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

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     st_case |     39,170    272129.8    161536.7      10001     560147
        year |     39,170        2005           0       2005       2005
          a1 |     39,170    5.996017    9.346006          0         94
          a2 |     39,170    5.990503    9.339419          0         94
          a3 |     39,170    5.989252    9.324915          0         94
-------------+---------------------------------------------------------
          a4 |     39,170    6.010774    9.311987          0         94
          a5 |     39,170    5.960965    9.309703          0         94
          a6 |     39,170    5.938192    9.298076          0         71
          a7 |     39,170     6.00171    9.288697          0         94
          a8 |     39,170    5.934899     9.26954          0         94
-------------+---------------------------------------------------------
          a9 |     39,170    6.044141    9.331199          0         94
         a10 |     39,170    5.922798     9.28056          0         94

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