Summary statistics for rpsr2012q4 dataset : by Jean Roth , jroth@nber.org , 7 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 26,064 8.87e+07 1.05e+07 3.79e+07 8.32e+08 caseid | 26,064 8853371 248642.2 3788326 9319856 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 7 Apr 2017