Summary statistics for rpsr2017q1 dataset : by Jean Roth , jroth@nber.org , 18 Sep 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 13,432 1.32e+08 930792.4 1.30e+08 1.34e+08 caseid | 13,432 1.32e+07 93079.24 1.30e+07 1.34e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 18 Sep 2017