Summary statistics for usstatesingleagesraceadj dataset : by Jean Roth , jroth@nber.org , 2 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- year | 1,118,933 1996.511 9.247826 1981 2012 st | 0 stfips | 0 county | 0 registry | 1,118,933 99 0 99 99 -------------+--------------------------------------------------------- race | 1,118,933 2.498217 1.118744 1 4 hispanic | 1,118,933 9 0 9 9 sex | 1,118,933 1.500256 .5000002 1 2 age | 1,118,933 42.3585 24.77157 0 85 pop | 1,118,933 7745.132 18813.34 0 347829 by Jean Roth , jroth@nber.org , 2 Jan 2016