Rank	Countries/Territories	Count	Percent
1	United States	451	41.5%
2	China	361	33.2%
3	Germany	90	8.3%
4	Japan	25	2.3%
5	France	23	2.1%
6	Korea, Republic of	16	1.5%
7	Canada	15	1.4%
8	United Kingdom	12	1.1%
9	India	10	0.9%
10	Cyprus	9	0.8%
11	Switzerland	9	0.8%
12	Netherlands	9	0.8%
13	Singapore	6	0.6%
14	Italy	6	0.6%
15	Indonesia	5	0.5%
16	Australia	5	0.5%
17	Sweden	5	0.5%
18	Denmark	4	0.4%
19	Argentina	3	0.3%
20	Brazil	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Turkey	3	0.3%
23	Ukraine	3	0.3%
24	Russia	2	0.2%
25	Latvia	2	0.2%
26	Belgium	2	0.2%
27	Czech Republic	1	0.1%
28	Ireland	1	0.1%
29	Hong Kong	1	0.1%
30	Malaysia	1	0.1%
31	Spain	1	0.1%
32	Norway	1	0.1%