Summary statistics for rpsr2018q3 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 23,783 1.53e+08 898233.3 1.51e+08 1.55e+08 caseid | 23,783 1.53e+07 89823.33 1.51e+07 1.55e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 7 Mar 2019