Rank	Countries/Territories	Count	Percent
1	United States	638	48%
2	China	344	25.9%
3	Germany	151	11.4%
4	France	51	3.8%
5	Japan	29	2.2%
6	Canada	16	1.2%
7	Netherlands	13	1%
8	Poland	10	0.8%
9	Singapore	10	0.8%
10	India	10	0.8%
11	Australia	10	0.8%
12	Cyprus	9	0.7%
13	Thailand	6	0.5%
14	South Africa	5	0.4%
15	Korea, Republic of	4	0.3%
16	Latvia	3	0.2%
17	Iraq	3	0.2%
18	Hong Kong	3	0.2%
19	Ukraine	3	0.2%
20	Taiwan	2	0.2%
21	Ireland	2	0.2%
22	Iran, Islamic Republic of	1	0.1%
23	Mexico	1	0.1%
24	Mongolia	1	0.1%
25	Georgia	1	0.1%
26	Argentina	1	0.1%
27	Russia	1	0.1%
28	Norway	1	0.1%