Summary statistics for orgnl_prtcptn_dt variable in posclia2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- orgnl_prtc~t | 417,354 2.00e+07 67776.88 1.97e+07 2.01e+07 by Jean Roth , jroth@nber.org , 26 Jan 2016