Summary statistics for rpsr2016q2 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 9,443 1.24e+08 1009465 7.17e+07 1.25e+08 caseid | 9,443 1.24e+07 100946.5 7168674 1.25e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017