Rank	Countries/Territories	Count	Percent
1	United States	518	49.6%
2	China	260	24.9%
3	Germany	127	12.2%
4	Japan	26	2.5%
5	France	20	1.9%
6	India	14	1.3%
7	Canada	11	1.1%
8	Netherlands	9	0.9%
9	Cyprus	6	0.6%
10	Iran, Islamic Republic of	6	0.6%
11	Korea, Republic of	6	0.6%
12	Ireland	4	0.4%
13	Hong Kong	4	0.4%
14	Australia	4	0.4%
15	Switzerland	4	0.4%
16	Romania	3	0.3%
17	Singapore	3	0.3%
18	United Kingdom	3	0.3%
19	South Africa	2	0.2%
20	Bulgaria	2	0.2%
21	Malaysia	2	0.2%
22	Mauritius	2	0.2%
23	Mongolia	2	0.2%
24	Chile	1	0.1%
25	Georgia	1	0.1%
26	Spain	1	0.1%
27	Thailand	1	0.1%
28	Turkey	1	0.1%
29	Ukraine	1	0.1%