Summary statistics for dewbo19ages dataset :

by Jean Roth , jroth@nber.org , 2 May 2017

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year |     16,055    1992.006    13.56829       1969       2015
          st |          0
      stfips |          0
      county |          0
    registry |     16,055          99           0         99         99
-------------+---------------------------------------------------------
        race |     16,055    1.998817    .8162795          1          3
    hispanic |     16,055           9           0          9          9
         sex |     16,055    1.500343    .5000155          1          2
         age |     16,055    8.989785     5.47254          0         18
         pop |     16,055    2099.818    3308.829          1      18421

by Jean Roth , jroth@nber.org , 2 May 2017