Summary statistics for uswbo19agesadj dataset :

by Jean Roth , jroth@nber.org , 2 Jan 2018

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
        year | 14,191,291    1993.401    13.91698       1969       2016
          st |          0
      stfips |          0
      county |          0
    registry | 14,191,291     86.0078     25.7965          1         99
-------------+---------------------------------------------------------
        race | 14,191,291    1.900342    .8319448          1          3
    hispanic | 14,191,291           9           0          9          9
         sex | 14,191,291    1.501705    .4999971          1          2
         age | 14,191,291    8.667357    5.342831          0         18
         pop | 14,191,291    882.0861    4266.518          1     374236

by Jean Roth , jroth@nber.org , 2 Jan 2018