Summary statistics for countyco2006 dataset : by Jean Roth , jroth@nber.org , 26 Jun 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- fipscounty | 0 statefips | 0 countyfips | 0 countyname | 0 n1 | 65 58409.45 239432.5 272 1898307 -------------+--------------------------------------------------------- n2 | 65 123786.9 507205.6 464 4023073 a00100 | 65 3606160 1.48e+07 13769 1.17e+08 a00200 | 65 2614794 1.08e+07 5820 8.50e+07 a00600 | 65 72184.71 297749.1 280 2346001 interest | 65 138476.6 591115.8 458 4500490 -------------+--------------------------------------------------------- year | 65 2006 0 2006 2006 by Jean Roth , jroth@nber.org , 26 Jun 2017