Summary statistics for usstate19agesraceadj dataset : by Jean Roth , jroth@nber.org , 2 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- year | 248,030 1996.506 9.235618 1981 2012 st | 0 stfips | 0 county | 0 registry | 248,030 99 0 99 99 -------------+--------------------------------------------------------- race | 248,030 2.49969 1.118123 1 4 hispanic | 248,030 9 0 9 9 sex | 248,030 1.500065 .500001 1 2 age | 248,030 8.994339 5.475198 0 18 pop | 248,030 34940.47 87737.47 0 1234258 by Jean Roth , jroth@nber.org , 2 Jan 2016