Summary statistics for countyid1995 dataset : by Jean Roth , jroth@nber.org , 23 Jun 2017 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- fipscounty | 0 statefips | 0 countyfips | 0 countyname | 0 n1 | 45 18936.49 64326.36 299 426071 -------------+--------------------------------------------------------- n2 | 45 46027.02 155718.1 817 1035608 a00100 | 45 644918.8 2228291 6996 1.45e+07 a00200 | 45 478074.9 1654485 5929 1.08e+07 a00600 | 45 12612.24 44671.53 104 283776 interest | 45 31912.89 109024.3 363 718040 by Jean Roth , jroth@nber.org , 23 Jun 2017