Summary statistics for cawbo19ages dataset : by Jean Roth , jroth@nber.org , 2 May 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- year | 298,418 1992.243 13.56157 1969 2015 st | 0 stfips | 0 county | 0 registry | 298,418 36.59528 11.48491 1 41 -------------+--------------------------------------------------------- race | 298,418 1.995868 .830574 1 3 hispanic | 298,418 9 0 9 9 sex | 298,418 1.498144 .4999974 1 2 age | 298,418 8.900579 5.430699 0 18 pop | 298,418 4691.108 17783.16 1 374236 by Jean Roth , jroth@nber.org , 2 May 2017