Rank	Countries/Territories	Count	Percent
1	United States	461	37.9%
2	China	406	33.4%
3	Germany	101	8.3%
4	France	48	4%
5	Japan	40	3.3%
6		21	1.7%
7	Canada	14	1.2%
8	Korea, Republic of	14	1.2%
9	India	13	1.1%
10	Singapore	12	1%
11	Switzerland	12	1%
12	Netherlands	11	0.9%
13	Cyprus	10	0.8%
14	United Kingdom	9	0.7%
15	Ireland	7	0.6%
16	Egypt	6	0.5%
17	Argentina	3	0.2%
18	Italy	3	0.2%
19	Iran, Islamic Republic of	2	0.2%
20	Latvia	2	0.2%
21	Brazil	2	0.2%
22	Hong Kong	2	0.2%
23	Taiwan	2	0.2%
24	Thailand	2	0.2%
25	Turkey	2	0.2%
26	Ukraine	2	0.2%
27	United Arab Emirates	1	0.1%
28	Russia	1	0.1%
29	Saudi Arabia	1	0.1%
30	South Africa	1	0.1%
31	Sweden	1	0.1%
32	Australia	1	0.1%
33	Luxembourg	1	0.1%
34	Mongolia	1	0.1%