Summary statistics for rpsr2016q4 dataset : by Jean Roth , jroth@nber.org , 18 Sep 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 10,892 1.29e+08 882356.3 1.15e+08 1.31e+08 caseid | 10,892 1.29e+07 88235.63 1.15e+07 1.31e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 18 Sep 2017