Rank	Countries/Territories	Count	Percent
1	United States	452	45.3%
2	China	300	30.1%
3	Germany	103	10.3%
4	France	23	2.3%
5	Canada	21	2.1%
6	Australia	9	0.9%
7	Korea, Republic of	9	0.9%
8	Netherlands	9	0.9%
9	Ireland	8	0.8%
10	Hong Kong	6	0.6%
11	Argentina	6	0.6%
12	Cyprus	6	0.6%
13	Iran, Islamic Republic of	5	0.5%
14	Japan	5	0.5%
15	United Kingdom	5	0.5%
16	Ukraine	4	0.4%
17	India	4	0.4%
18	Poland	3	0.3%
19	South Africa	2	0.2%
20	Sweden	2	0.2%
21	Thailand	2	0.2%
22	Israel	2	0.2%
23	Italy	2	0.2%
24	Malaysia	2	0.2%
25	Czech Republic	2	0.2%
26	Egypt	1	0.1%
27	Turkey	1	0.1%
28	Switzerland	1	0.1%
29	Russia	1	0.1%
30	Philippines	1	0.1%