Summary statistics for rpsr2017q2 dataset : by Jean Roth , jroth@nber.org , 8 Feb 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 15,775 1.36e+08 900167.5 1.34e+08 1.38e+08 caseid | 15,775 1.36e+07 90016.75 1.34e+07 1.38e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 8 Feb 2018