Summary statistics for rpsr2017q3 dataset : by Jean Roth , jroth@nber.org , 8 Feb 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 15,481 1.39e+08 897447.2 1.35e+08 1.42e+08 caseid | 15,481 1.39e+07 89744.72 1.35e+07 1.42e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 8 Feb 2018