Summary statistics for rpsr2013q2 dataset : by Jean Roth , jroth@nber.org , 6 Apr 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- primaryid | 27,262 9.26e+07 7357986 3.94e+07 8.11e+08 caseid | 27,262 9252444 354426.4 3759885 1.01e+07 rpsr_cod | 0 by Jean Roth , jroth@nber.org , 6 Apr 2017