Summary statistics for outc2005q2 dataset : by Jean Roth , jroth@nber.org , 18 Dec 2015 Variable | Obs Mean Std. Dev. Min Max -------------+-------------------------------------------------------- primaryid | 80984 4665158 25123.48 4548241 4799765 outc_cod | 0 by Jean Roth , jroth@nber.org , 18 Dec 2015