Summary statistics for rpsr2013q3 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 25,007 9.44e+07 1.04e+07 3.44e+07 8.19e+08 caseid | 25,007 9422481 321719 3443231 1.01e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017