TABLE 1.

Descriptive Statistics by Ethnicity

	Endogamy Rate	Percentage of U.S. Sharing Ethnicity	Percentage of County Group Sharing Ethnicity	Observations
Sweden	6.45	0.40	0.97	2,049
Germany	10.07	1.78	2.39	2,396
Norway	10.89	0.30	1.44	1,166
Austria	12.22	0.48	0.81	1,783
Ireland	13.17	0.71	1.58	2,248
Hungary	13.73	0.30	0.57	8,792
Canada	17.86	1.49	4.52	2,505
Yugoslavia	18.10	0.22	0.53	2,001
Czechoslovakia	20.94	0.37	0.85	3,366
Poland	31.25	1.17	2.44	1,683
Russia	35.45	0.96	2.21	5,408
Italy	42.37	2.09	5.09	1,260
Mexico	54.97	1.15	6.37	4,832
Total	27.53	1.18	2.87	34,489