Summary statistics for rpsr2015q3 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 12,082 1.14e+08 2.22e+07 6.00e+07 1.09e+09 caseid | 12,082 1.13e+07 273065.9 6003150 1.16e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017