Summary statistics for seer_pop dataset :

by Jean Roth , jroth@nber.org , 2 Jan 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year | 39,874,545    1986.943    10.39244       1969       2004
          st |          0
      stfips | 39,874,545    30.33505    15.24401          1         56
      county | 39,874,545    106.8217    121.7177          1        918
    registry | 39,874,545    88.47356    24.37178          1         99
-------------+---------------------------------------------------------
        race | 39,874,545    1.749172    .8073107          1          3
    hispanic | 39,874,545           9           0          9          9
         sex | 39,874,545    1.501701    .4999971          1          2
         age | 39,874,545    40.33398    24.40304          0         85
         pop | 39,874,545    220.6989    976.9098          1      77394

by Jean Roth , jroth@nber.org , 2 Jan 2016