Summary statistics for rpsr2014q1 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 37,925 9.97e+07 1.01e+07 3.77e+07 9.67e+08 caseid | 37,925 9956999 370216.1 3769713 1.05e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017